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1BYG

KINASE DOMAIN OF HUMAN C-TERMINAL SRC KINASE (CSK) IN COMPLEX WITH INHIBITOR STAUROSPORINE

Functional Information from GO Data
ChainGOidnamespacecontents
A0004672molecular_functionprotein kinase activity
A0004713molecular_functionprotein tyrosine kinase activity
A0005524molecular_functionATP binding
A0006468biological_processprotein phosphorylation
Functional Information from PDB Data
site_idAC1
Number of Residues12
DetailsBINDING SITE FOR RESIDUE STU A 501
ChainResidue
AILE201
AARG318
AASN319
ALEU321
AGLY202
AALA220
ATHR266
AGLU267
ATYR268
AMET269
AGLY272
ASER273

Functional Information from PROSITE/UniProt
site_idPS00107
Number of Residues22
DetailsPROTEIN_KINASE_ATP Protein kinases ATP-binding region signature. IGKGEFGDVMlGdyrgnk............VAVK
ChainResidueDetails
AILE201-LYS222

site_idPS00109
Number of Residues13
DetailsPROTEIN_KINASE_TYR Tyrosine protein kinases specific active-site signature. FVHrDLAARNVLV
ChainResidueDetails
APHE310-VAL322

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"},{"source":"PROSITE-ProRule","id":"PRU10028","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues9
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsModified residue: {"description":"Phosphotyrosine","evidences":[{"source":"PubMed","id":"9148770","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine; by PKA","evidences":[{"source":"PubMed","id":"11181701","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsModified residue: {"description":"Phosphotyrosine; by autocatalysis","evidences":[{"source":"PubMed","id":"1945408","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"26918609","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
AASP314
AARG318

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
AALA316
AASP314

site_idCSA3
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
AALA316
AASN319
AASP314

250835

PDB entries from 2026-03-18

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