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UniProtKB - P41240 (CSK_HUMAN)

Entry version 212 (13 Feb 2019)
Sequence version 1 (01 Feb 1995)
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Protein

Tyrosine-protein kinase CSK

Gene

CSK

Organism
Homo sapiens (Human)
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

Non-receptor tyrosine-protein kinase that plays an important role in the regulation of cell growth, differentiation, migration and immune response. Phosphorylates tyrosine residues located in the C-terminal tails of Src-family kinases (SFKs) including LCK, SRC, HCK, FYN, LYN, CSK or YES1. Upon tail phosphorylation, Src-family members engage in intramolecular interactions between the phosphotyrosine tail and the SH2 domain that result in an inactive conformation. To inhibit SFKs, CSK is recruited to the plasma membrane via binding to transmembrane proteins or adapter proteins located near the plasma membrane. Suppresses signaling by various surface receptors, including T-cell receptor (TCR) and B-cell receptor (BCR) by phosphorylating and maintaining inactive several positive effectors such as FYN or LCK.2 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

<p>This subsection of the ‘Function’ section provides information relevant to cofactors. A cofactor is any non-protein substance required for a protein to be catalytically active. Some cofactors are inorganic, such as the metal atoms zinc, iron, and copper in various oxidation states. Others, such as most vitamins, are organic.<p><a href='/help/cofactor' target='_top'>More...</a></p>Cofactori

Mg2+1 Publication, Mn2+1 Publication

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 sitei222ATPPROSITE-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 sitei314Proton 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 bindingi201 – 209ATPPROSITE-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

View the complete GO annotation on QuickGO ...

GO - Biological processi

View the complete GO annotation on QuickGO ...

<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, Transferase, Tyrosine-protein kinase
Biological processAdaptive immunity, Immunity
LigandATP-binding, Magnesium, Manganese, Metal-binding, Nucleotide-binding

Enzyme and pathway databases

BRENDA Comprehensive Enzyme Information System

More...BRENDAi		2.7.10.2 2681

Reactome - a knowledgebase of biological pathways and processes

More...Reactomei		R-HSA-180292 GAB1 signalosome
R-HSA-202427 Phosphorylation of CD3 and TCR zeta chains
R-HSA-354192 Integrin alphaIIb beta3 signaling
R-HSA-389948 PD-1 signaling
R-HSA-5674135 MAP2K and MAPK activation
R-HSA-6802946 Signaling by moderate kinase activity BRAF mutants
R-HSA-6802948 Signaling by high-kinase activity BRAF mutants
R-HSA-6802949 Signaling by RAS mutants
R-HSA-6802952 Signaling by BRAF and RAF fusions
R-HSA-6802955 Paradoxical activation of RAF signaling by kinase inactive BRAF

SignaLink: a signaling pathway resource with multi-layered regulatory networks

More...SignaLinki		P41240

SIGNOR Signaling Network Open Resource

More...SIGNORi		P41240

<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:
Tyrosine-protein kinase CSK (EC:2.7.10.23 Publications)
Alternative name(s):
C-Src kinase
Protein-tyrosine kinase CYL
<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:CSK
<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>OrganismiHomo sapiens (Human)
<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 identifieri9606 [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 lineageiEukaryota › Metazoa › Chordata › Craniata › Vertebrata › Euteleostomi › Mammalia › Eutheria › Euarchontoglires › Primates › Haplorrhini › Catarrhini › Hominidae › Homo
<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
  • UP000005640 <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 15

Organism-specific databases

Eukaryotic Pathogen Database Resources

More...EuPathDBi		HostDB:ENSG00000103653.16

Human Gene Nomenclature Database

More...HGNCi		HGNC:2444 CSK

Online Mendelian Inheritance in Man (OMIM)

More...MIMi		124095 gene

neXtProt; the human protein knowledge platform

More...neXtProti		NX_P41240

<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

Cell membrane, Cytoplasm, 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

Mutagenesis

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/manual/pathology_and_biotech_section">'Pathology and Biotech'</a> section describes the effect of the experimental mutation of one or more amino acid(s) on the biological properties of the protein.<p><a href='/help/mutagen' target='_top'>More...</a></p>Mutagenesisi184Y → F: Abolishes phosphorylation. 1 Publication1
Mutagenesisi304Y → F: Decreases activity by two-thirds and alters conformation. 1 Publication1
Mutagenesisi364S → A: Strong decrease of phosphorylation by PRKACA (catalytic subunit of PKA). 1 Publication1

Organism-specific databases

DisGeNET

More...DisGeNETi		1445

Open Targets

More...OpenTargetsi		ENSG00000103653

The Pharmacogenetics and Pharmacogenomics Knowledge Base

More...PharmGKBi		PA26946

Chemistry databases

ChEMBL database of bioactive drug-like small molecules

More...ChEMBLi		CHEMBL2634

Drug and drug target database

More...DrugBanki		DB02010 Staurosporine
DB05075 TG100801

IUPHAR/BPS Guide to PHARMACOLOGY

More...GuidetoPHARMACOLOGYi		1994

Polymorphism and mutation databases

BioMuta curated single-nucleotide variation and disease association database

More...BioMutai		CSK

Domain mapping of disease mutations (DMDM)

More...DMDMi		729887

<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 <a href="http://www.uniprot.org/help/ptm_processing_section">PTM / Processing</a> section indicates that the initiator methionine is cleaved from the mature protein.<p><a href='/help/init_met' target='_top'>More...</a></p>Initiator methionineiRemovedCombined sources
<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_00000880702 – 450Tyrosine-protein kinase CSKAdd BLAST449

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<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 residuei2N-acetylserineCombined sources1
Modified residuei184Phosphotyrosine1 Publication1
Modified residuei304Phosphotyrosine1 Publication1
Modified residuei364Phosphoserine; by PKA1 Publication1
Modified residuei416Phosphotyrosine; by autocatalysis1 Publication1

<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 at Ser-364 by PKA, leading to increased activity. Autophosphorylated.2 Publications

Keywords - PTMi

Acetylation, Phosphoprotein

Proteomic databases

Encyclopedia of Proteome Dynamics

More...EPDi		P41240

jPOST - Japan Proteome Standard Repository/Database

More...jPOSTi		P41240

MaxQB - The MaxQuant DataBase

More...MaxQBi		P41240

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

More...PaxDbi		P41240

PeptideAtlas

More...PeptideAtlasi		P41240

PRoteomics IDEntifications database

More...PRIDEi		P41240

ProteomicsDB human proteome resource

More...ProteomicsDBi		55450

2D gel databases

USC-OGP 2-DE database

More...OGPi		P41240

PTM databases

iPTMnet integrated resource for PTMs in systems biology context

More...iPTMneti		P41240

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

More...PhosphoSitePlusi		P41240

<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 lung and macrophages.1 Publication

Gene expression databases

Bgee dataBase for Gene Expression Evolution

More...Bgeei		ENSG00000103653 Expressed in 220 organ(s), highest expression level in vagina

ExpressionAtlas, Differential and Baseline Expression

More...ExpressionAtlasi		P41240 baseline and differential

Genevisible search portal to normalized and curated expression data from Genevestigator

More...Genevisiblei		P41240 HS

Organism-specific databases

Human Protein Atlas

More...HPAi		CAB011203
HPA026488
HPA028425

<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

Homodimer (via SH3-domain) (PubMed:19888460). Interacts with PTPN22 (PubMed:15208781). Interacts with phosphorylated SIT1, PAG1, LIME1 and TGFB1I1; these interactions serve to recruit CSK to the membrane where it can phosphorylate and inhibit Src-family kinases (PubMed:11433379, PubMed:10790433, PubMed:14610046, PubMed:10838081). Interacts with SRCIN1 (PubMed:17525734). Interacts with RHOH (PubMed:20851766). Interacts (via SH2 domain) with SCIMP (PubMed:21930792).Interacts (via SH2 domain) with PRAG1 (when phosphorylated at 'Tyr-391'); this interaction prevents translocation of CSK from the cytoplasm to the membrane leading to increased activity of CSK (By similarity).By similarity8 Publications

<p>This subsection of the '<a href="http://www.uniprot.org/help/interaction_section%27">Interaction</a> section provides information about binary protein-protein interactions. The data presented in this section are a quality-filtered subset of binary interactions automatically derived from the <a href="http://www.ebi.ac.uk/intact/">IntAct database</a>. It is updated on a monthly basis. Each binary interaction is displayed on a separate line.<p><a href='/help/binary_interactions' target='_top'>More...</a></p>Binary interactionsi

GO - Molecular functioni

View the complete GO annotation on QuickGO ...

Protein-protein interaction databases

The Biological General Repository for Interaction Datasets (BioGrid)

More...BioGridi		107832, 58 interactors

The Eukaryotic Linear Motif resource for Functional Sites in Proteins

More...ELMi		P41240

Protein interaction database and analysis system

More...IntActi		P41240, 40 interactors

Molecular INTeraction database

More...MINTi		P41240

STRING: functional protein association networks

More...STRINGi		9606.ENSP00000220003

Chemistry databases

BindingDB database of measured binding affinities

More...BindingDBi		P41240

<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

Secondary structure

1450
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details

3D structure databases

Select the link destinations:

Protein Data Bank Europe

More...PDBei

Protein Data Bank RCSB

More...RCSB PDBi

Protein Data Bank Japan

More...PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
1BYGX-ray2.40A173-450[»]
1CSKX-ray2.50A/B/C/D1-71[»]
3D7TX-ray2.90A188-450[»]
3D7UX-ray4.11A/C188-450[»]
3EACX-ray1.37A73-178[»]
3EAZX-ray1.31A73-178[»]

Protein Model Portal of the PSI-Nature Structural Biology Knowledgebase

More...ProteinModelPortali		P41240

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

More...SMRi		P41240

Database of comparative protein structure models

More...ModBasei		Search...

MobiDB: a database of protein disorder and mobility annotations

More...MobiDBi		Search...

Miscellaneous databases

Relative evolutionary importance of amino acids within a protein sequence

More...EvolutionaryTracei		P41240

<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>Domaini9 – 70SH3PROSITE-ProRule annotationAdd BLAST62
Domaini82 – 171SH2PROSITE-ProRule annotationAdd BLAST90
Domaini195 – 449Protein kinasePROSITE-ProRule annotationAdd BLAST255

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Family and Domains’ section describes a region of interest that cannot be described in other subsections.<p><a href='/help/region' target='_top'>More...</a></p>Regioni9 – 70Interaction with PTPN22By similarityAdd BLAST62

<p>This subsection of the ‘Family and domains’ section provides general information on the biological role of a domain. The term ‘domain’ is intended here in its wide acceptation, it may be a structural domain, a transmembrane region or a functional domain. Several domains are described in this subsection.<p><a href='/help/domain_cc' target='_top'>More...</a></p>Domaini

The architecture of this protein is similar to that of Src-family kinases (SFKs) with one N-terminal SH3 domain, one SH2 domain, and a C-terminal kinase domain.

<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. CSK subfamily.PROSITE-ProRule annotation

Keywords - Domaini

SH2 domain, SH3 domain

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...eggNOGi		KOG0197 Eukaryota
COG0515 LUCA

Ensembl GeneTree

More...GeneTreei		ENSGT00940000157431

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...HOGENOMi		HOG000233858

The HOVERGEN Database of Homologous Vertebrate Genes

More...HOVERGENi		HBG008761

InParanoid: Eukaryotic Ortholog Groups

More...InParanoidi		P41240

KEGG Orthology (KO)

More...KOi		K05728

Identification of Orthologs from Complete Genome Data

More...OMAi		WALNMKD

Database of Orthologous Groups

More...OrthoDBi		614259at2759

Database for complete collections of gene phylogenies

More...PhylomeDBi		P41240

TreeFam database of animal gene trees

More...TreeFami		TF351634

Family and domain databases

Conserved Domains Database

More...CDDi		cd09937 SH2_csk_like, 1 hit

Gene3D Structural and Functional Annotation of Protein Families

More...Gene3Di		3.30.505.10, 1 hit

Integrated resource of protein families, domains and functional sites

More...InterProi		View protein in InterPro
IPR035026 CSK
IPR035027 Csk-like_SH2
IPR011009 Kinase-like_dom_sf
IPR000719 Prot_kinase_dom
IPR017441 Protein_kinase_ATP_BS
IPR001245 Ser-Thr/Tyr_kinase_cat_dom
IPR000980 SH2
IPR036860 SH2_dom_sf
IPR036028 SH3-like_dom_sf
IPR001452 SH3_domain
IPR008266 Tyr_kinase_AS
IPR020635 Tyr_kinase_cat_dom

The PANTHER Classification System

More...PANTHERi		PTHR24418:SF307 PTHR24418:SF307, 1 hit

Pfam protein domain database

More...Pfami		View protein in Pfam
PF07714 Pkinase_Tyr, 1 hit
PF00017 SH2, 1 hit
PF00018 SH3_1, 1 hit

Protein Motif fingerprint database; a protein domain database

More...PRINTSi		PR00401 SH2DOMAIN
PR00109 TYRKINASE

Simple Modular Architecture Research Tool; a protein domain database

More...SMARTi		View protein in SMART
SM00252 SH2, 1 hit
SM00326 SH3, 1 hit
SM00219 TyrKc, 1 hit

Superfamily database of structural and functional annotation

More...SUPFAMi		SSF50044 SSF50044, 1 hit
SSF55550 SSF55550, 1 hit
SSF56112 SSF56112, 1 hit

PROSITE; a protein domain and family database

More...PROSITEi		View protein in PROSITE
PS00107 PROTEIN_KINASE_ATP, 1 hit
PS50011 PROTEIN_KINASE_DOM, 1 hit
PS00109 PROTEIN_KINASE_TYR, 1 hit
PS50001 SH2, 1 hit
PS50002 SH3, 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>Sequence (1+)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 has 1 described isoform and 3 potential isoforms that are computationally mapped.Show allAlign All

P41240-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MSAIQAAWPS GTECIAKYNF HGTAEQDLPF CKGDVLTIVA VTKDPNWYKA 
        60         70         80         90        100
KNKVGREGII PANYVQKREG VKAGTKLSLM PWFHGKITRE QAERLLYPPE 
       110        120        130        140        150
TGLFLVREST NYPGDYTLCV SCDGKVEHYR IMYHASKLSI DEEVYFENLM 
       160        170        180        190        200
QLVEHYTSDA DGLCTRLIKP KVMEGTVAAQ DEFYRSGWAL NMKELKLLQT 
       210        220        230        240        250
IGKGEFGDVM LGDYRGNKVA VKCIKNDATA QAFLAEASVM TQLRHSNLVQ 
       260        270        280        290        300
LLGVIVEEKG GLYIVTEYMA KGSLVDYLRS RGRSVLGGDC LLKFSLDVCE 
       310        320        330        340        350
AMEYLEGNNF VHRDLAARNV LVSEDNVAKV SDFGLTKEAS STQDTGKLPV 
       360        370        380        390        400
KWTAPEALRE KKFSTKSDVW SFGILLWEIY SFGRVPYPRI PLKDVVPRVE 
       410        420        430        440        450
KGYKMDAPDG CPPAVYEVMK NCWHLDAAMR PSFLQLREQL EHIKTHELHL
Length:450
Mass (Da):50,704
Last modified:February 1, 1995 - 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:i431023A88C54E00C
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 are 3 potential isoforms mapped to this entry.BLASTAlignShow allAdd to basket
EntryEntry nameProtein names
Gene namesLengthAnnotation
H3BU69H3BU69_HUMAN
Tyrosine-protein kinase CSK
CSK
68Annotation 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>
H3BUM9H3BUM9_HUMAN
Tyrosine-protein kinase CSK
CSK
110Annotation 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>
H3BN15H3BN15_HUMAN
Tyrosine-protein kinase CSK
CSK
64Annotation 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>

Natural variant

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Sequence’ section describes natural variant(s) of the protein sequence.<p><a href='/help/variant' target='_top'>More...</a></p>Natural variantiVAR_04167845P → L1 Publication1
Natural variantiVAR_025203287G → D1 PublicationCorresponds to variant dbSNP:rs34866753Ensembl.1
Natural variantiVAR_025204398R → Q1 PublicationCorresponds to variant dbSNP:rs34616395Ensembl.1
Natural variantiVAR_025205442H → R1 PublicationCorresponds to variant dbSNP:rs35556162Ensembl.1

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

More...EMBLi

GenBank nucleotide sequence database

More...GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...DDBJi
Links Updated
X60114 mRNA Translation: CAA42713.1
X59932 mRNA Translation: CAA42556.1
X74765 Genomic DNA Translation: CAB58562.1
CR541960 mRNA Translation: CAG46758.1
DQ075211 Genomic DNA Translation: AAY57329.1
BC104847 mRNA Translation: AAI04848.1
BC104875 mRNA Translation: AAI04876.1
BC106073 mRNA Translation: AAI06074.1

The Consensus CDS (CCDS) project

More...CCDSi		CCDS10269.1

Protein sequence database of the Protein Information Resource

More...PIRi		JH0559

NCBI Reference Sequences

More...RefSeqi		NP_001120662.1, NM_001127190.1
NP_004374.1, NM_004383.2
XP_005254222.1, XM_005254165.4
XP_016877414.1, XM_017021925.1

UniGene gene-oriented nucleotide sequence clusters

More...UniGenei		Hs.77793

Genome annotation databases

Ensembl eukaryotic genome annotation project

More...Ensembli		ENST00000220003; ENSP00000220003; ENSG00000103653
ENST00000439220; ENSP00000414764; ENSG00000103653
ENST00000567571; ENSP00000454906; ENSG00000103653

Database of genes from NCBI RefSeq genomes

More...GeneIDi		1445

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...KEGGi		hsa:1445

UCSC genome browser

More...UCSCi		uc002ays.3 human

Keywords - Coding sequence diversityi

Polymorphism

<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

<p>This subsection of the <a href="http://www.uniprot.org/manual/cross_references_section">Cross-references</a> section provides links to various web resources that are relevant for a specific protein.<p><a href='/help/web_resource' target='_top'>More...</a></p>Web resourcesi

NIEHS-SNPs

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X60114 mRNA Translation: CAA42713.1
X59932 mRNA Translation: CAA42556.1
X74765 Genomic DNA Translation: CAB58562.1
CR541960 mRNA Translation: CAG46758.1
DQ075211 Genomic DNA Translation: AAY57329.1
BC104847 mRNA Translation: AAI04848.1
BC104875 mRNA Translation: AAI04876.1
BC106073 mRNA Translation: AAI06074.1
CCDSiCCDS10269.1
PIRiJH0559
RefSeqiNP_001120662.1, NM_001127190.1
NP_004374.1, NM_004383.2
XP_005254222.1, XM_005254165.4
XP_016877414.1, XM_017021925.1
UniGeneiHs.77793

3D structure databases

Select the link destinations:
PDBei
RCSB PDBi
PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
1BYGX-ray2.40A173-450[»]
1CSKX-ray2.50A/B/C/D1-71[»]
3D7TX-ray2.90A188-450[»]
3D7UX-ray4.11A/C188-450[»]
3EACX-ray1.37A73-178[»]
3EAZX-ray1.31A73-178[»]
ProteinModelPortaliP41240
SMRiP41240
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

BioGridi107832, 58 interactors
ELMiP41240
IntActiP41240, 40 interactors
MINTiP41240
STRINGi9606.ENSP00000220003

Chemistry databases

BindingDBiP41240
ChEMBLiCHEMBL2634
DrugBankiDB02010 Staurosporine
DB05075 TG100801
GuidetoPHARMACOLOGYi1994

PTM databases

iPTMnetiP41240
PhosphoSitePlusiP41240

Polymorphism and mutation databases

BioMutaiCSK
DMDMi729887

2D gel databases

OGPiP41240

Proteomic databases

EPDiP41240
jPOSTiP41240
MaxQBiP41240
PaxDbiP41240
PeptideAtlasiP41240
PRIDEiP41240
ProteomicsDBi55450

Protocols and materials databases

The DNASU plasmid repository

More...DNASUi		1445
Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsembliENST00000220003; ENSP00000220003; ENSG00000103653
ENST00000439220; ENSP00000414764; ENSG00000103653
ENST00000567571; ENSP00000454906; ENSG00000103653
GeneIDi1445
KEGGihsa:1445
UCSCiuc002ays.3 human

Organism-specific databases

Comparative Toxicogenomics Database

More...CTDi		1445
DisGeNETi1445
EuPathDBiHostDB:ENSG00000103653.16

GeneCards: human genes, protein and diseases

More...GeneCardsi		CSK
HGNCiHGNC:2444 CSK
HPAiCAB011203
HPA026488
HPA028425
MIMi124095 gene
neXtProtiNX_P41240
OpenTargetsiENSG00000103653
PharmGKBiPA26946

GenAtlas: human gene database

More...GenAtlasi		Search...

Phylogenomic databases

eggNOGiKOG0197 Eukaryota
COG0515 LUCA
GeneTreeiENSGT00940000157431
HOGENOMiHOG000233858
HOVERGENiHBG008761
InParanoidiP41240
KOiK05728
OMAiWALNMKD
OrthoDBi614259at2759
PhylomeDBiP41240
TreeFamiTF351634

Enzyme and pathway databases

BRENDAi2.7.10.2 2681
ReactomeiR-HSA-180292 GAB1 signalosome
R-HSA-202427 Phosphorylation of CD3 and TCR zeta chains
R-HSA-354192 Integrin alphaIIb beta3 signaling
R-HSA-389948 PD-1 signaling
R-HSA-5674135 MAP2K and MAPK activation
R-HSA-6802946 Signaling by moderate kinase activity BRAF mutants
R-HSA-6802948 Signaling by high-kinase activity BRAF mutants
R-HSA-6802949 Signaling by RAS mutants
R-HSA-6802952 Signaling by BRAF and RAF fusions
R-HSA-6802955 Paradoxical activation of RAF signaling by kinase inactive BRAF
SignaLinkiP41240
SIGNORiP41240

Miscellaneous databases

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

More...ChiTaRSi		CSK human
EvolutionaryTraceiP41240

The Gene Wiki collection of pages on human genes and proteins

More...GeneWikii		C-src_tyrosine_kinase

Database of phenotypes from RNA interference screens in Drosophila and Homo sapiens

More...GenomeRNAii		1445

Protein Ontology

More...PROi		PR:P41240

The Stanford Online Universal Resource for Clones and ESTs

More...SOURCEi		Search...

Gene expression databases

BgeeiENSG00000103653 Expressed in 220 organ(s), highest expression level in vagina
ExpressionAtlasiP41240 baseline and differential
GenevisibleiP41240 HS

Family and domain databases

CDDicd09937 SH2_csk_like, 1 hit
Gene3Di3.30.505.10, 1 hit
InterProiView protein in InterPro
IPR035026 CSK
IPR035027 Csk-like_SH2
IPR011009 Kinase-like_dom_sf
IPR000719 Prot_kinase_dom
IPR017441 Protein_kinase_ATP_BS
IPR001245 Ser-Thr/Tyr_kinase_cat_dom
IPR000980 SH2
IPR036860 SH2_dom_sf
IPR036028 SH3-like_dom_sf
IPR001452 SH3_domain
IPR008266 Tyr_kinase_AS
IPR020635 Tyr_kinase_cat_dom
PANTHERiPTHR24418:SF307 PTHR24418:SF307, 1 hit
PfamiView protein in Pfam
PF07714 Pkinase_Tyr, 1 hit
PF00017 SH2, 1 hit
PF00018 SH3_1, 1 hit
PRINTSiPR00401 SH2DOMAIN
PR00109 TYRKINASE
SMARTiView protein in SMART
SM00252 SH2, 1 hit
SM00326 SH3, 1 hit
SM00219 TyrKc, 1 hit
SUPFAMiSSF50044 SSF50044, 1 hit
SSF55550 SSF55550, 1 hit
SSF56112 SSF56112, 1 hit
PROSITEiView protein in PROSITE
PS00107 PROTEIN_KINASE_ATP, 1 hit
PS50011 PROTEIN_KINASE_DOM, 1 hit
PS00109 PROTEIN_KINASE_TYR, 1 hit
PS50001 SH2, 1 hit
PS50002 SH3, 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 nameiCSK_HUMAN
<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: P41240
Secondary accession number(s): Q2M3N2, Q6FGZ6
<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: February 1, 1995
Last sequence update: February 1, 1995
Last modified: February 13, 2019
This is version 212 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
DisclaimerAny medical or genetic information present in this entry is provided for research, educational and informational purposes only. It is not in any way intended to be used as a substitute for professional medical advice, diagnosis, treatment or care.

<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

3D-structure, Complete proteome, Reference proteome

Documents

  1. Human chromosome 15
    Human chromosome 15: entries, gene names and cross-references to MIM
  2. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
  3. SIMILARITY comments
    Index of protein domains and families
  4. Human entries with polymorphisms or disease mutations
    List of human entries with polymorphisms or disease mutations
  5. Human polymorphisms and disease mutations
    Index of human polymorphisms and disease mutations
  6. Human and mouse protein kinases
    Human and mouse protein kinases: classification and index
  7. MIM cross-references
    Online Mendelian Inheritance in Man (MIM) cross-references in UniProtKB/Swiss-Prot
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