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Entry version 145 (13 Feb 2019)
Sequence version 1 (01 Mar 2003)
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Protein

Ephrin type-B receptor 1

Gene

Ephb1

Organism
Mus musculus (Mouse)
Status
Reviewed-Annotation score:

Annotation score:5 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the ‘correct annotation’ for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>
-Experimental evidence at protein leveli <p>This indicates the type of evidence that supports the existence of the protein. Note that the ‘protein existence’ evidence does not give information on the accuracy or correctness of the sequence(s) displayed.<p><a href='/help/protein_existence' target='_top'>More...</a></p>

<p>This section provides any useful information about the protein, mostly biological knowledge.<p><a href='/help/function_section' target='_top'>More...</a></p>Functioni

Receptor tyrosine kinase which binds promiscuously transmembrane ephrin-B family ligands residing on adjacent cells, leading to contact-dependent bidirectional signaling into neighboring cells. The signaling pathway downstream of the receptor is referred to as forward signaling while the signaling pathway downstream of the ephrin ligand is referred to as reverse signaling. Cognate/functional ephrin ligands for this receptor include EFNB1, EFNB2 and EFNB3. During nervous system development, regulates retinal axon guidance redirecting ipsilaterally ventrotemporal retinal ganglion cells axons at the optic chiasm midline. This probably requires repulsive interaction with EFNB2. In the adult nervous system together with EFNB3, regulates chemotaxis, proliferation and polarity of the hippocampus neural progenitors. In addition to its role in axon guidance plays also an important redundant role with other ephrin-B receptors in development and maturation of dendritic spines and synapse formation. May also regulate angiogenesis. More generally, may play a role in targeted cell migration and adhesion. Upon activation by EFNB1 and probably other ephrin-B ligands activates the MAPK/ERK and the JNK signaling cascades to regulate cell migration and adhesion respectively. Involved in the maintenance of the pool of satellite cells (muscle stem cells) by promoting their self-renewal and reducing their activation and differentiation (PubMed:27446912).5 Publications

<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">Function</a> section describes the catalytic activity of an enzyme, i.e. a chemical reaction that the enzyme catalyzes.<p><a href='/help/catalytic_activity' target='_top'>More...</a></p>Catalytic activityi

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Function’ section describes the interaction between a single amino acid and another chemical entity. Priority is given to the annotation of physiological ligands.<p><a href='/help/binding' target='_top'>More...</a></p>Binding sitei651ATPPROSITE-ProRule annotation1
<p>This subsection of the ‘Function’ section is used for enzymes and indicates the residues directly involved in catalysis.<p><a href='/help/act_site' target='_top'>More...</a></p>Active sitei744Proton acceptorPROSITE-ProRule annotation1

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Function’ section describes a region in the protein which binds nucleotide phosphates. It always involves more than one amino acid and includes all residues involved in nucleotide-binding.<p><a href='/help/np_bind' target='_top'>More...</a></p>Nucleotide bindingi625 – 633ATPPROSITE-ProRule annotation9

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:<p><a href='/help/gene_ontology' target='_top'>More...</a></p>GO - Molecular functioni

  • ATP binding Source: UniProtKB-KW
  • axon guidance receptor activity Source: MGI
  • protein-containing complex binding Source: MGI
  • protein tyrosine kinase activity Source: MGI
  • transmembrane-ephrin receptor activity Source: UniProtKB
  • transmembrane receptor protein tyrosine kinase activity Source: GO_Central

GO - Biological processi

<p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywordsi

Molecular functionKinase, Receptor, Transferase, Tyrosine-protein kinase
Biological processCell adhesion, Neurogenesis
LigandATP-binding, Nucleotide-binding

Enzyme and pathway databases

Reactome - a knowledgebase of biological pathways and processes

More...
Reactomei
R-MMU-2682334 EPH-Ephrin signaling
R-MMU-3928662 EPHB-mediated forward signaling
R-MMU-3928664 Ephrin signaling
R-MMU-3928665 EPH-ephrin mediated repulsion of cells

<p>This section provides information about the protein and gene name(s) and synonym(s) and about the organism that is the source of the protein sequence.<p><a href='/help/names_and_taxonomy_section' target='_top'>More...</a></p>Names & Taxonomyi

<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section provides an exhaustive list of all names of the protein, from commonly used to obsolete, to allow unambiguous identification of a protein.<p><a href='/help/protein_names' target='_top'>More...</a></p>Protein namesi
Recommended name:
Ephrin type-B receptor 1 (EC:2.7.10.1)
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section indicates the name(s) of the gene(s) that code for the protein sequence(s) described in the entry. Four distinct tokens exist: ‘Name’, ‘Synonyms’, ‘Ordered locus names’ and ‘ORF names’.<p><a href='/help/gene_name' target='_top'>More...</a></p>Gene namesi
Name:Ephb1
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section provides information on the name(s) of the organism that is the source of the protein sequence.<p><a href='/help/organism-name' target='_top'>More...</a></p>OrganismiMus musculus (Mouse)
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section shows the unique identifier assigned by the NCBI to the source organism of the protein. This is known as the ‘taxonomic identifier’ or ‘taxid’.<p><a href='/help/taxonomic_identifier' target='_top'>More...</a></p>Taxonomic identifieri10090 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section contains the taxonomic hierarchical classification lineage of the source organism. It lists the nodes as they appear top-down in the taxonomic tree, with the more general grouping listed first.<p><a href='/help/taxonomic_lineage' target='_top'>More...</a></p>Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaMyomorphaMuroideaMuridaeMurinaeMusMus
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section is present for entries that are part of a <a href="http://www.uniprot.org/proteomes">proteome</a>, i.e. of a set of proteins thought to be expressed by organisms whose genomes have been completely sequenced.<p><a href='/help/proteomes_manual' target='_top'>More...</a></p>Proteomesi
  • UP000000589 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes_manual">proteome</a> can consist of several components. <br></br>The component name refers to the genomic component encoding a set of proteins.<p><a href='/help/proteome_component' target='_top'>More...</a></p> Componenti: Chromosome 9

Organism-specific databases

Mouse genome database (MGD) from Mouse Genome Informatics (MGI)

More...
MGIi
MGI:1096337 Ephb1

<p>This section provides information on the location and the topology of the mature protein in the cell.<p><a href='/help/subcellular_location_section' target='_top'>More...</a></p>Subcellular locationi

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte; Source: COMPARTMENTS

Topology

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the subcellular compartment where each non-membrane region of a membrane-spanning protein is found.<p><a href='/help/topo_dom' target='_top'>More...</a></p>Topological domaini18 – 540ExtracellularSequence analysisAdd BLAST523
<p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the extent of a membrane-spanning region of the protein. It denotes the presence of both alpha-helical transmembrane regions and the membrane spanning regions of beta-barrel transmembrane proteins.<p><a href='/help/transmem' target='_top'>More...</a></p>Transmembranei541 – 563HelicalSequence analysisAdd BLAST23
Topological domaini564 – 984CytoplasmicSequence analysisAdd BLAST421

Keywords - Cellular componenti

Cell membrane, Cell projection, Endosome, Membrane

<p>This section provides information on the disease(s) and phenotype(s) associated with a protein.<p><a href='/help/pathology_and_biotech_section' target='_top'>More...</a></p>Pathology & Biotechi

<p>This subsection of the ‘Pathology and Biotech’ section describes the in vivo effects caused by ablation of the gene (or one or more transcripts) coding for the protein described in the entry. This includes gene knockout and knockdown, provided experiments have been performed in the context of a whole organism or a specific tissue, and not at the single-cell level.<p><a href='/help/disruption_phenotype' target='_top'>More...</a></p>Disruption phenotypei

Mice development is apparently normal. However, they display a dramatic reduction of ipsilateral retinal projection. Mice do not develop neuropathic algesia and physical dependence to morphine.2 Publications

<p>This section describes post-translational modifications (PTMs) and/or processing events.<p><a href='/help/ptm_processing_section' target='_top'>More...</a></p>PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘PTM / Processing’ section denotes the presence of an N-terminal signal peptide.<p><a href='/help/signal' target='_top'>More...</a></p>Signal peptidei1 – 17Sequence analysisAdd BLAST17
<p>This subsection of the ‘PTM / Processing’ section describes the extent of a polypeptide chain in the mature protein following processing.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_000026031718 – 984Ephrin type-B receptor 1Add BLAST967

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/ptm_processing_section">PTM / Processing</a> section specifies the position and type of each covalently attached glycan group (mono-, di-, or polysaccharide).<p><a href='/help/carbohyd' target='_top'>More...</a></p>Glycosylationi334N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi426N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi480N-linked (GlcNAc...) asparagineSequence analysis1
<p>This subsection of the ‘PTM / Processing’ section specifies the position and type of each modified residue excluding <a href="http://www.uniprot.org/manual/lipid">lipids</a>, <a href="http://www.uniprot.org/manual/carbohyd">glycans</a> and <a href="http://www.uniprot.org/manual/crosslnk">protein cross-links</a>.<p><a href='/help/mod_res' target='_top'>More...</a></p>Modified residuei600PhosphotyrosineBy similarity1
Modified residuei928Phosphotyrosine; by autocatalysisBy similarity1

<p>This subsection of the <a href="http://www.uniprot.org/help/ptm_processing_section">PTM/processing</a> section describes post-translational modifications (PTMs). This subsection <strong>complements</strong> the information provided at the sequence level or describes modifications for which <strong>position-specific data is not yet available</strong>.<p><a href='/help/post-translational_modification' target='_top'>More...</a></p>Post-translational modificationi

Phosphorylated. Autophosphorylation is stimulated by the ligand EFNB1. Required for interaction with SH2 domain-containing interactors, for activation of the MAPK/ERK and JUN signaling cascades and for ubiquitination by CBL (By similarity).By similarity
Ubiquitinated; (EFNB1)ligand-induced poly- and/or multi-ubiquitination by CBL is regulated by SRC and leads to lysosomal degradation.1 Publication

Keywords - PTMi

Glycoprotein, Phosphoprotein, Ubl conjugation

Proteomic databases

PaxDb, a database of protein abundance averages across all three domains of life

More...
PaxDbi
Q8CBF3

PeptideAtlas

More...
PeptideAtlasi
Q8CBF3

PRoteomics IDEntifications database

More...
PRIDEi
Q8CBF3

PTM databases

iPTMnet integrated resource for PTMs in systems biology context

More...
iPTMneti
Q8CBF3

Comprehensive resource for the study of protein post-translational modifications (PTMs) in human, mouse and rat.

More...
PhosphoSitePlusi
Q8CBF3

<p>This section provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms.<p><a href='/help/expression_section' target='_top'>More...</a></p>Expressioni

<p>This subsection of the ‘Expression’ section provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms. By default, the information is derived from experiments at the mRNA level, unless specified ‘at protein level’. <br></br>Examples: <a href="http://www.uniprot.org/uniprot/P92958#expression">P92958</a>, <a href="http://www.uniprot.org/uniprot/Q8TDN4#expression">Q8TDN4</a>, <a href="http://www.uniprot.org/uniprot/O14734#expression">O14734</a><p><a href='/help/tissue_specificity' target='_top'>More...</a></p>Tissue specificityi

Expressed in neural stem and progenitor cells in the dentate gyrus (PubMed:18057206). Expressed in myogenic progenitor cells (PubMed:27446912).2 Publications

<p>This subsection of the ‘Expression’ section provides information on the expression of the gene product at various stages of a cell, tissue or organism development. By default, the information is derived from experiments at the mRNA level, unless specified ‘at the protein level’.<p><a href='/help/developmental_stage' target='_top'>More...</a></p>Developmental stagei

Expressed in growth cones of ventrotemporal (uncrossed) retinal ganglion cells that give rise to ipsilateral projections (at protein level) (PubMed:12971893, PubMed:18524895). In myogenic progenitor cells, initially expressed early during myogenic development (11.5 dpc), down-regulated during the fetal stage (lower levels at 17.5 dpc) to be re-expressed in postnatal satellite cells (PubMed:27446912).3 Publications

Gene expression databases

Bgee dataBase for Gene Expression Evolution

More...
Bgeei
ENSMUSG00000032537 Expressed in 202 organ(s), highest expression level in retina

ExpressionAtlas, Differential and Baseline Expression

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ExpressionAtlasi
Q8CBF3 baseline and differential

Genevisible search portal to normalized and curated expression data from Genevestigator

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Genevisiblei
Q8CBF3 MM

<p>This section provides information on the quaternary structure of a protein and on interaction(s) with other proteins or protein complexes.<p><a href='/help/interaction_section' target='_top'>More...</a></p>Interactioni

<p>This subsection of the <a href="http://www.uniprot.org/help/interaction_section">'Interaction'</a> section provides information about the protein quaternary structure and interaction(s) with other proteins or protein complexes (with the exception of physiological receptor-ligand interactions which are annotated in the <a href="http://www.uniprot.org/help/function_section">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

Heterotetramer upon binding of the ligand. The heterotetramer is composed of an ephrin dimer and a receptor dimer. Oligomerization is probably required to induce biological responses (By similarity). Interacts with EPHB6; transphosphorylates EPHB6 to form an active signaling complex (By similarity). Interacts with PICK1. Interacts (through Tyr-594) with NCK1 (via SH2 domain); activates the JUN cascade to regulate cell adhesion. The ligand-activated form interacts (through Tyr-928) with GRB7 and GRB10 (via SH2 domains). The ligand-activated form interacts (residues within the catalytic domain) with GRB2 (via SH2 domain). Interacts with GRB2, SHC1 and SRC; activates the MAPK/ERK cascade to regulate cell migration. Interacts with CBL; regulates receptor degradation through ubiquitination. Interacts with ACP1.By similarity5 Publications

Protein-protein interaction databases

The Biological General Repository for Interaction Datasets (BioGrid)

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BioGridi
234781, 3 interactors

Protein interaction database and analysis system

More...
IntActi
Q8CBF3, 1 interactor

STRING: functional protein association networks

More...
STRINGi
10090.ENSMUSP00000035129

<p>This section provides information on the tertiary and secondary structure of a protein.<p><a href='/help/structure_section' target='_top'>More...</a></p>Structurei

3D structure databases

Protein Model Portal of the PSI-Nature Structural Biology Knowledgebase

More...
ProteinModelPortali
Q8CBF3

SWISS-MODEL Repository - a database of annotated 3D protein structure models

More...
SMRi
Q8CBF3

Database of comparative protein structure models

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ModBasei
Search...

MobiDB: a database of protein disorder and mobility annotations

More...
MobiDBi
Search...

<p>This section provides information on sequence similarities with other proteins and the domain(s) present in a protein.<p><a href='/help/family_and_domains_section' target='_top'>More...</a></p>Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/family_and_domains_section">Family and Domains</a> section describes the position and type of a domain, which is defined as a specific combination of secondary structures organized into a characteristic three-dimensional structure or fold.<p><a href='/help/domain' target='_top'>More...</a></p>Domaini19 – 201Eph LBDPROSITE-ProRule annotationAdd BLAST183
Domaini322 – 432Fibronectin type-III 1PROSITE-ProRule annotationAdd BLAST111
Domaini433 – 528Fibronectin type-III 2PROSITE-ProRule annotationAdd BLAST96
Domaini619 – 882Protein kinasePROSITE-ProRule annotationAdd BLAST264
Domaini911 – 975SAMPROSITE-ProRule annotationAdd BLAST65

Motif

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Family and Domains’ section describes a short (usually not more than 20 amino acids) conserved sequence motif of biological significance.<p><a href='/help/motif' target='_top'>More...</a></p>Motifi982 – 984PDZ-bindingSequence analysis3

Compositional bias

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Family and Domains’ section describes the position of regions of compositional bias within the protein and the particular amino acids that are over-represented within those regions.<p><a href='/help/compbias' target='_top'>More...</a></p>Compositional biasi183 – 319Cys-richAdd BLAST137

<p>This subsection of the ‘Family and domains’ section provides information about the sequence similarity with other proteins.<p><a href='/help/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesi

Belongs to the protein kinase superfamily. Tyr protein kinase family. Ephrin receptor subfamily.PROSITE-ProRule annotation

Keywords - Domaini

Repeat, Signal, Transmembrane, Transmembrane helix

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
KOG0196 Eukaryota
COG0515 LUCA

Ensembl GeneTree

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GeneTreei
ENSGT00940000155297

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

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HOGENOMi
HOG000233856

The HOVERGEN Database of Homologous Vertebrate Genes

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HOVERGENi
HBG062180

InParanoid: Eukaryotic Ortholog Groups

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InParanoidi
Q8CBF3

KEGG Orthology (KO)

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KOi
K05110

Identification of Orthologs from Complete Genome Data

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OMAi
KACPAGM

Database of Orthologous Groups

More...
OrthoDBi
933071at2759

Database for complete collections of gene phylogenies

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PhylomeDBi
Q8CBF3

TreeFam database of animal gene trees

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TreeFami
TF315608

Family and domain databases

Conserved Domains Database

More...
CDDi
cd10476 EphR_LBD_B1, 1 hit
cd00063 FN3, 2 hits

Gene3D Structural and Functional Annotation of Protein Families

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Gene3Di
2.60.120.260, 1 hit
2.60.40.10, 2 hits

Integrated resource of protein families, domains and functional sites

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InterProi
View protein in InterPro
IPR027936 Eph_TM
IPR034231 EphB1_rcpt_lig-bd
IPR001090 Ephrin_rcpt_lig-bd_dom
IPR003961 FN3_dom
IPR036116 FN3_sf
IPR008979 Galactose-bd-like_sf
IPR009030 Growth_fac_rcpt_cys_sf
IPR013783 Ig-like_fold
IPR011009 Kinase-like_dom_sf
IPR000719 Prot_kinase_dom
IPR017441 Protein_kinase_ATP_BS
IPR001660 SAM
IPR013761 SAM/pointed_sf
IPR001245 Ser-Thr/Tyr_kinase_cat_dom
IPR011641 Tyr-kin_ephrin_A/B_rcpt-like
IPR008266 Tyr_kinase_AS
IPR020635 Tyr_kinase_cat_dom
IPR016257 Tyr_kinase_ephrin_rcpt
IPR001426 Tyr_kinase_rcpt_V_CS

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF14575 EphA2_TM, 1 hit
PF01404 Ephrin_lbd, 1 hit
PF00041 fn3, 2 hits
PF07714 Pkinase_Tyr, 1 hit
PF00536 SAM_1, 1 hit

PIRSF; a whole-protein classification database

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PIRSFi
PIRSF000666 TyrPK_ephrin_receptor, 1 hit

Protein Motif fingerprint database; a protein domain database

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PRINTSi
PR00109 TYRKINASE

Simple Modular Architecture Research Tool; a protein domain database

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SMARTi
View protein in SMART
SM00615 EPH_lbd, 1 hit
SM01411 Ephrin_rec_like, 1 hit
SM00060 FN3, 2 hits
SM00454 SAM, 1 hit
SM00219 TyrKc, 1 hit

Superfamily database of structural and functional annotation

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SUPFAMi
SSF47769 SSF47769, 1 hit
SSF49265 SSF49265, 1 hit
SSF49785 SSF49785, 1 hit
SSF56112 SSF56112, 1 hit
SSF57184 SSF57184, 1 hit

PROSITE; a protein domain and family database

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PROSITEi
View protein in PROSITE
PS01186 EGF_2, 1 hit
PS51550 EPH_LBD, 1 hit
PS50853 FN3, 2 hits
PS00107 PROTEIN_KINASE_ATP, 1 hit
PS50011 PROTEIN_KINASE_DOM, 1 hit
PS00109 PROTEIN_KINASE_TYR, 1 hit
PS00790 RECEPTOR_TYR_KIN_V_1, 1 hit
PS00791 RECEPTOR_TYR_KIN_V_2, 1 hit
PS50105 SAM_DOMAIN, 1 hit

<p>This section displays by default the canonical protein sequence and upon request all isoforms described in the entry. It also includes information pertinent to the sequence(s), including <a href="http://www.uniprot.org/help/sequence_length">length</a> and <a href="http://www.uniprot.org/help/sequences">molecular weight</a>.<p><a href='/help/sequences_section' target='_top'>More...</a></p>Sequences (2+)i

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences_section">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> displayed by default in the entry is complete or not.<p><a href='/help/sequence_status' target='_top'>More...</a></p>Sequence statusi: Complete.

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences_section">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> displayed by default in the entry is in its mature form or if it represents the precursor.<p><a href='/help/sequence_processing' target='_top'>More...</a></p>Sequence processingi: The displayed sequence is further processed into a mature form.

This entry describes 2 <p>This subsection of the ‘Sequence’ section lists the alternative protein sequences (isoforms) that can be generated from the same gene by a single or by the combination of up to four biological events (alternative promoter usage, alternative splicing, alternative initiation and ribosomal frameshifting). Additionally, this section gives relevant information on each alternative protein isoform.<p><a href='/help/alternative_products' target='_top'>More...</a></p> isoformsi produced by alternative splicing. AlignAdd to basket

This entry has 2 described isoforms and 1 potential isoform that is computationally mapped.Show allAlign All

Isoform 1 (identifier: Q8CBF3-1) [UniParc]FASTAAdd to basket

This isoform has been chosen as the 'canonical' sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry.

« Hide
        10         20         30         40         50
MALDCLLLFL LASAVAAMEE TLMDTRTATA ELGWTANPAS GWEEVSGYDE
60 70 80 90 100
NLNTIRTYQV CNVFEPNQNN WLLTTFINRR GAHRIYTEMR FTVRDCSSLP
110 120 130 140 150
NVPGSCKETF NLYYYETDSV IATKKSAFWS EAPYLKVDTI AADESFSQVD
160 170 180 190 200
FGGRLMKVNT EVRSFGPLTR NGFYLAFQDY GACMSLLSVR VFFKKCPSIV
210 220 230 240 250
QNFAVFPETM TGAESTSLVI ARGTCIPNAE EVDVPIKLYC NGDGEWMVPI
260 270 280 290 300
GRCTCKPGYE PENSVACKAC PAGTFKASQE AEGCSHCPSN SRSPSEASPI
310 320 330 340 350
CTCRTGYYRA DFDPPEVACT SVPSGPRNVI SIVNETSIIL EWHPPRETGG
360 370 380 390 400
RDDVTYNIIC KKCRADRRSC SRCDDNVEFV PRQLGLTECR VSISSLWAHT
410 420 430 440 450
PYTFDIQAIN GVSSKSPFPP QHVSVNITTN QAAPSTVPIM HQVSATMRSI
460 470 480 490 500
TLSWPQPEQP NGIILDYEIR YYEKEHNEFN SSMARSQTNT ARIDGLRPGM
510 520 530 540 550
VYVVQVRART VAGYGKFSGK MCFQTLTDDD YKSELREQLP LIAGSAAAGV
560 570 580 590 600
VFVVSLVAIS IVCSRKRAYS KEAAYSDKLQ HYSTGRGSPG MKIYIDPFTY
610 620 630 640 650
EDPNEAVREF AKEIDVSFVK IEEVIGAGEF GEVYKGRLKL PGKREIYVAI
660 670 680 690 700
KTLKAGYSEK QRRDFLSEAS IMGQFDHPNI IRLEGVVTKS RPVMIITEFM
710 720 730 740 750
ENGALDSFLR QNDGQFTVIQ LVGMLRGIAA GMKYLSEMNY VHRDLAARNI
760 770 780 790 800
LVNSNLVCKV SDFGLSRYLQ DDTSDPTYTS SLGGKIPVRW TAPEAIAYRK
810 820 830 840 850
FTSASDVWSY GIVMWEVMSF GERPYWDMSN QDVINAIEQD YRLPPPMDCP
860 870 880 890 900
AALHQLMLDC WQKDRNSRPR FAEIVNTLDK MIRNPASLKT VATITAVPSQ
910 920 930 940 950
PLLDRSIPDF TAFTTVDDWL SAIKMVQYRD SFLTAGFTSL QLVTQMTSED
960 970 980
LLRIGVTLAG HQKKILSSIH SMRVQMNQSP SVMA
Length:984
Mass (Da):109,881
Last modified:March 1, 2003 - v1
<p>The checksum is a form of redundancy check that is calculated from the sequence. It is useful for tracking sequence updates.</p> <p>It should be noted that while, in theory, two different sequences could have the same checksum value, the likelihood that this would happen is extremely low.</p> <p>However UniProtKB may contain entries with identical sequences in case of multiple genes (paralogs).</p> <p>The checksum is computed as the sequence 64-bit Cyclic Redundancy Check value (CRC64) using the generator polynomial: x<sup>64</sup> + x<sup>4</sup> + x<sup>3</sup> + x + 1. The algorithm is described in the ISO 3309 standard. </p> <p class="publication">Press W.H., Flannery B.P., Teukolsky S.A. and Vetterling W.T.<br /> <strong>Cyclic redundancy and other checksums</strong><br /> <a href="http://www.nrbook.com/b/bookcpdf.php">Numerical recipes in C 2nd ed., pp896-902, Cambridge University Press (1993)</a>)</p> Checksum:iE967019C82AA400A
GO
Isoform 2 (identifier: Q8CBF3-2) [UniParc]FASTAAdd to basket

The sequence of this isoform differs from the canonical sequence as follows:
     588-628: Missing.

Show »
Length:943
Mass (Da):105,294
Checksum:iEF28BF1D7FE097C9
GO

<p>In eukaryotic reference proteomes, unreviewed entries that are likely to belong to the same gene are computationally mapped, based on gene identifiers from Ensembl, EnsemblGenomes and model organism databases.<p><a href='/help/gene_centric_isoform_mapping' target='_top'>More...</a></p>Computationally mapped potential isoform sequencesi

There is 1 potential isoform mapped to this entry.BLASTAlignShow allAdd to basket
EntryEntry nameProtein names
Gene namesLengthAnnotation
Q8CA63Q8CA63_MOUSE
Ephrin type-B receptor 1
Ephb1
456Annotation score:

Annotation score:1 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the ‘correct annotation’ for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Sequence’ section reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.<p><a href='/help/conflict' target='_top'>More...</a></p>Sequence conflicti72L → Q in BAE22386 (PubMed:16141072).Curated1
Sequence conflicti187L → P in BAE22386 (PubMed:16141072).Curated1
Sequence conflicti194K → I in AAH57301 (PubMed:15489334).Curated1
Sequence conflicti641P → Q in BAC29348 (PubMed:16141072).Curated1
Sequence conflicti678P → R in AAH57301 (PubMed:15489334).Curated1

Alternative sequence

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Sequence’ section describes the sequence of naturally occurring alternative protein isoform(s). The changes in the amino acid sequence may be due to alternative splicing, alternative promoter usage, alternative initiation, or ribosomal frameshifting.<p><a href='/help/var_seq' target='_top'>More...</a></p>Alternative sequenceiVSP_021595588 – 628Missing in isoform 2. 1 PublicationAdd BLAST41

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

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EMBLi

GenBank nucleotide sequence database

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GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

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DDBJi
Links Updated
AK036148 mRNA Translation: BAC29320.1
AK036211 mRNA Translation: BAC29348.1
AK135018 mRNA Translation: BAE22386.1
CT025594
, AC109247, AC132684, AC156635 Genomic DNA Translation: CAM23741.1
BC057301 mRNA Translation: AAH57301.1

The Consensus CDS (CCDS) project

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CCDSi
CCDS40742.1 [Q8CBF3-1]
CCDS52901.1 [Q8CBF3-2]

NCBI Reference Sequences

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RefSeqi
NP_001161768.1, NM_001168296.1 [Q8CBF3-2]
NP_775623.3, NM_173447.3 [Q8CBF3-1]

UniGene gene-oriented nucleotide sequence clusters

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UniGenei
Mm.22897

Genome annotation databases

Ensembl eukaryotic genome annotation project

More...
Ensembli
ENSMUST00000035129; ENSMUSP00000035129; ENSMUSG00000032537 [Q8CBF3-1]
ENSMUST00000085169; ENSMUSP00000082261; ENSMUSG00000032537 [Q8CBF3-2]

Database of genes from NCBI RefSeq genomes

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GeneIDi
270190

KEGG: Kyoto Encyclopedia of Genes and Genomes

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KEGGi
mmu:270190

UCSC genome browser

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UCSCi
uc009rfn.2 mouse [Q8CBF3-1]
uc012gzg.1 mouse [Q8CBF3-2]

Keywords - Coding sequence diversityi

Alternative splicing

<p>This section provides links to proteins that are similar to the protein sequence(s) described in this entry at different levels of sequence identity thresholds (100%, 90% and 50%) based on their membership in UniProt Reference Clusters (<a href="http://www.uniprot.org/help/uniref">UniRef</a>).<p><a href='/help/similar_proteins_section' target='_top'>More...</a></p>Similar proteinsi

<p>This section is used to point to information related to entries and found in data collections other than UniProtKB.<p><a href='/help/cross_references_section' target='_top'>More...</a></p>Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AK036148 mRNA Translation: BAC29320.1
AK036211 mRNA Translation: BAC29348.1
AK135018 mRNA Translation: BAE22386.1
CT025594
, AC109247, AC132684, AC156635 Genomic DNA Translation: CAM23741.1
BC057301 mRNA Translation: AAH57301.1
CCDSiCCDS40742.1 [Q8CBF3-1]
CCDS52901.1 [Q8CBF3-2]
RefSeqiNP_001161768.1, NM_001168296.1 [Q8CBF3-2]
NP_775623.3, NM_173447.3 [Q8CBF3-1]
UniGeneiMm.22897

3D structure databases

ProteinModelPortaliQ8CBF3
SMRiQ8CBF3
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

BioGridi234781, 3 interactors
IntActiQ8CBF3, 1 interactor
STRINGi10090.ENSMUSP00000035129

PTM databases

iPTMnetiQ8CBF3
PhosphoSitePlusiQ8CBF3

Proteomic databases

PaxDbiQ8CBF3
PeptideAtlasiQ8CBF3
PRIDEiQ8CBF3

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsembliENSMUST00000035129; ENSMUSP00000035129; ENSMUSG00000032537 [Q8CBF3-1]
ENSMUST00000085169; ENSMUSP00000082261; ENSMUSG00000032537 [Q8CBF3-2]
GeneIDi270190
KEGGimmu:270190
UCSCiuc009rfn.2 mouse [Q8CBF3-1]
uc012gzg.1 mouse [Q8CBF3-2]

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
2047
MGIiMGI:1096337 Ephb1

Phylogenomic databases

eggNOGiKOG0196 Eukaryota
COG0515 LUCA
GeneTreeiENSGT00940000155297
HOGENOMiHOG000233856
HOVERGENiHBG062180
InParanoidiQ8CBF3
KOiK05110
OMAiKACPAGM
OrthoDBi933071at2759
PhylomeDBiQ8CBF3
TreeFamiTF315608

Enzyme and pathway databases

ReactomeiR-MMU-2682334 EPH-Ephrin signaling
R-MMU-3928662 EPHB-mediated forward signaling
R-MMU-3928664 Ephrin signaling
R-MMU-3928665 EPH-ephrin mediated repulsion of cells

Miscellaneous databases

ChiTaRS: a database of human, mouse and fruit fly chimeric transcripts and RNA-sequencing data

More...
ChiTaRSi
Ephb1 mouse

Protein Ontology

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PROi
PR:Q8CBF3

The Stanford Online Universal Resource for Clones and ESTs

More...
SOURCEi
Search...

Gene expression databases

BgeeiENSMUSG00000032537 Expressed in 202 organ(s), highest expression level in retina
ExpressionAtlasiQ8CBF3 baseline and differential
GenevisibleiQ8CBF3 MM

Family and domain databases

CDDicd10476 EphR_LBD_B1, 1 hit
cd00063 FN3, 2 hits
Gene3Di2.60.120.260, 1 hit
2.60.40.10, 2 hits
InterProiView protein in InterPro
IPR027936 Eph_TM
IPR034231 EphB1_rcpt_lig-bd
IPR001090 Ephrin_rcpt_lig-bd_dom
IPR003961 FN3_dom
IPR036116 FN3_sf
IPR008979 Galactose-bd-like_sf
IPR009030 Growth_fac_rcpt_cys_sf
IPR013783 Ig-like_fold
IPR011009 Kinase-like_dom_sf
IPR000719 Prot_kinase_dom
IPR017441 Protein_kinase_ATP_BS
IPR001660 SAM
IPR013761 SAM/pointed_sf
IPR001245 Ser-Thr/Tyr_kinase_cat_dom
IPR011641 Tyr-kin_ephrin_A/B_rcpt-like
IPR008266 Tyr_kinase_AS
IPR020635 Tyr_kinase_cat_dom
IPR016257 Tyr_kinase_ephrin_rcpt
IPR001426 Tyr_kinase_rcpt_V_CS
PfamiView protein in Pfam
PF14575 EphA2_TM, 1 hit
PF01404 Ephrin_lbd, 1 hit
PF00041 fn3, 2 hits
PF07714 Pkinase_Tyr, 1 hit
PF00536 SAM_1, 1 hit
PIRSFiPIRSF000666 TyrPK_ephrin_receptor, 1 hit
PRINTSiPR00109 TYRKINASE
SMARTiView protein in SMART
SM00615 EPH_lbd, 1 hit
SM01411 Ephrin_rec_like, 1 hit
SM00060 FN3, 2 hits
SM00454 SAM, 1 hit
SM00219 TyrKc, 1 hit
SUPFAMiSSF47769 SSF47769, 1 hit
SSF49265 SSF49265, 1 hit
SSF49785 SSF49785, 1 hit
SSF56112 SSF56112, 1 hit
SSF57184 SSF57184, 1 hit
PROSITEiView protein in PROSITE
PS01186 EGF_2, 1 hit
PS51550 EPH_LBD, 1 hit
PS50853 FN3, 2 hits
PS00107 PROTEIN_KINASE_ATP, 1 hit
PS50011 PROTEIN_KINASE_DOM, 1 hit
PS00109 PROTEIN_KINASE_TYR, 1 hit
PS00790 RECEPTOR_TYR_KIN_V_1, 1 hit
PS00791 RECEPTOR_TYR_KIN_V_2, 1 hit
PS50105 SAM_DOMAIN, 1 hit

ProtoNet; Automatic hierarchical classification of proteins

More...
ProtoNeti
Search...

<p>This section provides general information on the entry.<p><a href='/help/entry_information_section' target='_top'>More...</a></p>Entry informationi

<p>This subsection of the ‘Entry information’ section provides a mnemonic identifier for a UniProtKB entry, but it is not a stable identifier. Each reviewed entry is assigned a unique entry name upon integration into UniProtKB/Swiss-Prot.<p><a href='/help/entry_name' target='_top'>More...</a></p>Entry nameiEPHB1_MOUSE
<p>This subsection of the ‘Entry information’ section provides one or more accession number(s). These are stable identifiers and should be used to cite UniProtKB entries. Upon integration into UniProtKB, each entry is assigned a unique accession number, which is called ‘Primary (citable) accession number’.<p><a href='/help/accession_numbers' target='_top'>More...</a></p>AccessioniPrimary (citable) accession number: Q8CBF3
Secondary accession number(s): B1B1C2
, Q3UY27, Q6PG23, Q8CBE2
<p>This subsection of the ‘Entry information’ section shows the date of integration of the entry into UniProtKB, the date of the last sequence update and the date of the last annotation modification (‘Last modified’). The version number for both the entry and the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: November 28, 2006
Last sequence update: March 1, 2003
Last modified: February 13, 2019
This is version 145 of the entry and version 1 of the sequence. See complete history.
<p>This subsection of the ‘Entry information’ section indicates whether the entry has been manually annotated and reviewed by UniProtKB curators or not, in other words, if the entry belongs to the Swiss-Prot section of UniProtKB (<strong>reviewed</strong>) or to the computer-annotated TrEMBL section (<strong>unreviewed</strong>).<p><a href='/help/entry_status' target='_top'>More...</a></p>Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

<p>This section contains any relevant information that doesn’t fit in any other defined sections<p><a href='/help/miscellaneous_section' target='_top'>More...</a></p>Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. Human and mouse protein kinases
    Human and mouse protein kinases: classification and index
  2. SIMILARITY comments
    Index of protein domains and families
  3. MGD cross-references
    Mouse Genome Database (MGD) cross-references in UniProtKB/Swiss-Prot
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