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Protein

Class E basic helix-loop-helix protein 23

Gene

Bhlhe23

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

Annotation score:4 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 transcript 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

May function as transcriptional repressor. May modulate the expression of genes required for the differentiation and/or maintenance of pancreatic and neuronal cell types. May be important for rod bipolar cell maturation.2 Publications

<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

GO - Biological processi

  • negative regulation of retinal cell programmed cell death Source: MGI
  • positive regulation of transcription by RNA polymerase II Source: MGI
  • post-embryonic eye morphogenesis Source: MGI
  • retinal rod cell development Source: MGI

<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 functionDNA-binding
Biological processTranscription, Transcription regulation

<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:
Class E basic helix-loop-helix protein 23
Short name:
bHLHe23
Alternative name(s):
Class B basic helix-loop-helix protein 4
Short name:
bHLHb4
<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:Bhlhe23
Synonyms:Bhlhb4, H20
<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 2

Organism-specific databases

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

More...
MGIi
MGI:2153710 Bhlhe23

<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

Keywords - Cellular componenti

Nucleus

<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

Disrupted rod signaling and profound retinal dysfunction.1 Publication

<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 describes the extent of a polypeptide chain in the mature protein following processing.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00002455271 – 223Class E basic helix-loop-helix protein 23Add BLAST223

Proteomic databases

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

More...
PaxDbi
Q8BGW3

PRoteomics IDEntifications database

More...
PRIDEi
Q8BGW3

PTM databases

iPTMnet integrated resource for PTMs in systems biology context

More...
iPTMneti
Q8BGW3

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

More...
PhosphoSitePlusi
Q8BGW3

<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 brain and retina.

<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

Expression is confined to regions of the developing nervous system and pancreas. At E13 expressed at lower levels in the trigeminal ganglion, the ganglionic eminence, the ventral neural tube, and dorsal root ganglia. Expressed at moderate levels in the tectum of the embryonic midbrain. Most prominent expression is in the diencephalon, where it flanks either side of the roof of the third ventricle, dorsal/caudal to the dorsal thalamus. Detected in the pancreas during the time when most of the pancreatic endocrine cell types are beginning to differentiate and endocrine precursor cells remain loosely associated with the duct epithelium until they begin to form aggregates late in development.1 Publication

Gene expression databases

Bgee dataBase for Gene Expression Evolution

More...
Bgeei
ENSMUSG00000045493 Expressed in 26 organ(s), highest expression level in kidney interstitium

ExpressionAtlas, Differential and Baseline Expression

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ExpressionAtlasi
Q8BGW3 baseline and differential

Genevisible search portal to normalized and curated expression data from Genevestigator

More...
Genevisiblei
Q8BGW3 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

GO - Molecular functioni

Protein-protein interaction databases

STRING: functional protein association networks

More...
STRINGi
10090.ENSMUSP00000052737

<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
Q8BGW3

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

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SMRi
Q8BGW3

Database of comparative protein structure models

More...
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>Domaini98 – 152bHLHPROSITE-ProRule annotationAdd BLAST55

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 biasi76 – 110Arg-richAdd BLAST35

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
ENOG410IQ4C Eukaryota
ENOG4111Y1D LUCA

Ensembl GeneTree

More...
GeneTreei
ENSGT00940000162992

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
HOG000060094

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
Q8BGW3

KEGG Orthology (KO)

More...
KOi
K09086

Identification of Orthologs from Complete Genome Data

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OMAi
ATCAEKC

Database of Orthologous Groups

More...
OrthoDBi
1617813at2759

Database for complete collections of gene phylogenies

More...
PhylomeDBi
Q8BGW3

TreeFam database of animal gene trees

More...
TreeFami
TF322733

Family and domain databases

Conserved Domains Database

More...
CDDi
cd00083 HLH, 1 hit

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
4.10.280.10, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR011598 bHLH_dom
IPR032662 Bhlhe23
IPR036638 HLH_DNA-bd_sf

The PANTHER Classification System

More...
PANTHERi
PTHR19290:SF53 PTHR19290:SF53, 1 hit

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF00010 HLH, 1 hit

Simple Modular Architecture Research Tool; a protein domain database

More...
SMARTi
View protein in SMART
SM00353 HLH, 1 hit

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF47459 SSF47459, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS50888 BHLH, 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>Sequencei

<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.

Q8BGW3-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MAELKSLSGD SYLALSHSYT ATGHAYAAAR GPETTRGFGA SGPGGDLPAA
60 70 80 90 100
PASRVPAATV ESSGEQSGDE DEAFERRRRR RGSGVAVDAR RRPREQRSLR
110 120 130 140 150
LSINARERRR MHDLNDALDG LRAVIPYAHS PSVRKLSKIA TLLLAKNYIL
160 170 180 190 200
MQAQALEEMR RLVAYLNQGQ GLAAPVAAAP LTPFGQAAIY PFSAGTALGP
210 220
CPDKCATFSG SPSALCKHCG EKP
Length:223
Mass (Da):23,701
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:i68DCD15E0D70C1FA
GO

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 conflicti87V → F in AAL51039 (PubMed:11863370).Curated1
Sequence conflicti101L → F in AAL51039 (PubMed:11863370).Curated1

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

More...
EMBLi

GenBank nucleotide sequence database

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GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...
DDBJi
Links Updated
AF454760 mRNA Translation: AAL51039.1
AB053118 Genomic DNA Translation: BAC81773.1
AK044215 mRNA Translation: BAC31821.1
AK051155 mRNA Translation: BAC34539.1

The Consensus CDS (CCDS) project

More...
CCDSi
CCDS17187.1

NCBI Reference Sequences

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RefSeqi
NP_542372.2, NM_080641.5

UniGene gene-oriented nucleotide sequence clusters

More...
UniGenei
Mm.134062

Genome annotation databases

Ensembl eukaryotic genome annotation project

More...
Ensembli
ENSMUST00000108878; ENSMUSP00000104506; ENSMUSG00000045493

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
140489

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
mmu:140489

UCSC genome browser

More...
UCSCi
uc008okb.2 mouse

<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
AF454760 mRNA Translation: AAL51039.1
AB053118 Genomic DNA Translation: BAC81773.1
AK044215 mRNA Translation: BAC31821.1
AK051155 mRNA Translation: BAC34539.1
CCDSiCCDS17187.1
RefSeqiNP_542372.2, NM_080641.5
UniGeneiMm.134062

3D structure databases

ProteinModelPortaliQ8BGW3
SMRiQ8BGW3
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

STRINGi10090.ENSMUSP00000052737

PTM databases

iPTMnetiQ8BGW3
PhosphoSitePlusiQ8BGW3

Proteomic databases

PaxDbiQ8BGW3
PRIDEiQ8BGW3

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsembliENSMUST00000108878; ENSMUSP00000104506; ENSMUSG00000045493
GeneIDi140489
KEGGimmu:140489
UCSCiuc008okb.2 mouse

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
128408
MGIiMGI:2153710 Bhlhe23

Phylogenomic databases

eggNOGiENOG410IQ4C Eukaryota
ENOG4111Y1D LUCA
GeneTreeiENSGT00940000162992
HOGENOMiHOG000060094
InParanoidiQ8BGW3
KOiK09086
OMAiATCAEKC
OrthoDBi1617813at2759
PhylomeDBiQ8BGW3
TreeFamiTF322733

Miscellaneous databases

Protein Ontology

More...
PROi
PR:Q8BGW3

The Stanford Online Universal Resource for Clones and ESTs

More...
SOURCEi
Search...

Gene expression databases

BgeeiENSMUSG00000045493 Expressed in 26 organ(s), highest expression level in kidney interstitium
ExpressionAtlasiQ8BGW3 baseline and differential
GenevisibleiQ8BGW3 MM

Family and domain databases

CDDicd00083 HLH, 1 hit
Gene3Di4.10.280.10, 1 hit
InterProiView protein in InterPro
IPR011598 bHLH_dom
IPR032662 Bhlhe23
IPR036638 HLH_DNA-bd_sf
PANTHERiPTHR19290:SF53 PTHR19290:SF53, 1 hit
PfamiView protein in Pfam
PF00010 HLH, 1 hit
SMARTiView protein in SMART
SM00353 HLH, 1 hit
SUPFAMiSSF47459 SSF47459, 1 hit
PROSITEiView protein in PROSITE
PS50888 BHLH, 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 nameiBHE23_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: Q8BGW3
Secondary accession number(s): Q71MB7
<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: July 11, 2006
Last sequence update: March 1, 2003
Last modified: January 16, 2019
This is version 111 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. MGD cross-references
    Mouse Genome Database (MGD) cross-references in UniProtKB/Swiss-Prot
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