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3EKK

Insulin receptor kinase complexed with an inhibitor

Functional Information from GO Data
ChainGOidnamespacecontents
A0004672molecular_functionprotein kinase activity
A0004714molecular_functiontransmembrane receptor protein tyrosine kinase activity
A0005524molecular_functionATP binding
A0006468biological_processprotein phosphorylation
A0007169biological_processcell surface receptor protein tyrosine kinase signaling pathway
A0016020cellular_componentmembrane
Functional Information from PDB Data
site_idAC1
Number of Residues17
DetailsBINDING SITE FOR RESIDUE GS2 A 1
ChainResidue
ALEU1002
AALA1080
AGLY1082
AASP1083
ASER1086
AMET1139
AASP1150
AHOH1440
AHOH1489
AGLN1004
AVAL1010
AALA1028
ALYS1030
AVAL1060
AGLU1077
ALEU1078
AMET1079

Functional Information from PROSITE/UniProt
site_idPS00107
Number of Residues29
DetailsPROTEIN_KINASE_ATP Protein kinases ATP-binding region signature. LGQGSFGMVYeGnardiikgeaetr.....VAVK
ChainResidueDetails
ALEU1002-LYS1030

site_idPS00239
Number of Residues9
DetailsRECEPTOR_TYR_KIN_II Receptor tyrosine kinase class II signature. DIYetdYYR
ChainResidueDetails
AASP1156-ARG1164

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Proton donor/acceptor","evidences":[{"source":"PubMed","id":"9312016","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues10
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"18278056","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsModified residue: {"description":"Phosphotyrosine; by autocatalysis","evidences":[{"evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsModified residue: {"description":"S-nitrosocysteine","evidences":[{"source":"PubMed","id":"38056462","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"source":"PubMed","id":"27577745","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
AASN1132
AARG1136

site_idMCSA1
Number of Residues4
DetailsM-CSA 246
ChainResidueDetails
AASN1132increase nucleophilicity, proton acceptor, proton donor, steric role
AARG1136electrostatic stabiliser, increase electrophilicity, promote heterolysis
AASN1137metal ligand
AASP1150metal ligand

239492

PDB entries from 2025-07-30

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