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1RQQ

Crystal Structure of the Insulin Receptor Kinase in Complex with the SH2 Domain of APS

Functional Information from GO Data
ChainGOidnamespacecontents
A0004672molecular_functionprotein kinase activity
A0004713molecular_functionprotein tyrosine 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
B0004672molecular_functionprotein kinase activity
B0004713molecular_functionprotein tyrosine kinase activity
B0004714molecular_functiontransmembrane receptor protein tyrosine kinase activity
B0005524molecular_functionATP binding
B0006468biological_processprotein phosphorylation
B0007169biological_processcell surface receptor protein tyrosine kinase signaling pathway
B0016020cellular_componentmembrane
C0007165biological_processsignal transduction
C0035591molecular_functionsignaling adaptor activity
D0007165biological_processsignal transduction
D0035591molecular_functionsignaling adaptor activity
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MN A 201
ChainResidue
AHOH63
AASN1137
AASP1150
E112117

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MN B 202
ChainResidue
BASN1137
BASP1150
FHOH66
F112117

site_idAC3
Number of Residues21
DetailsBINDING SITE FOR RESIDUE 112 E 117
ChainResidue
AMN201
AGLN1004
AGLY1005
ASER1006
AVAL1010
AALA1028
ALYS1030
AMET1076
AGLU1077
AMET1079
AASP1083
AASP1132
AARG1136
AASN1137
AMET1139
AASP1150
EHOH62
EHOH64
EALA104
EPHE108
AHOH63

site_idAC4
Number of Residues18
DetailsBINDING SITE FOR RESIDUE 112 F 117
ChainResidue
BMN202
BGLN1004
BGLY1005
BSER1006
BVAL1010
BALA1028
BLYS1030
BMET1076
BGLU1077
BMET1079
BASP1132
BARG1136
BASN1137
BMET1139
BASP1150
FHOH11
FHOH66
FPHE108

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_idPS00109
Number of Residues13
DetailsPROTEIN_KINASE_TYR Tyrosine protein kinases specific active-site signature. FVHrDLAARNCMV
ChainResidueDetails
APHE1128-VAL1140

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 Residues2
DetailsActive site: {"description":"Proton donor/acceptor","evidences":[{"source":"PubMed","id":"9312016","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues20
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 Residues2
DetailsModified residue: {"description":"S-nitrosocysteine","evidences":[{"source":"PubMed","id":"38056462","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsModified residue: {"description":"Phosphotyrosine; by autocatalysis","evidences":[{"source":"PubMed","id":"14690593","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"16246733","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"16271887","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"18278056","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"18767165","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"26584640","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"3166375","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9312016","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsModified residue: {"description":"Phosphotyrosine; by autocatalysis","evidences":[{"source":"PubMed","id":"14690593","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"16246733","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"16271887","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"18278056","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"18767165","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"3166375","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9312016","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues4
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
AASP1132
AARG1136

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
BASP1132
BARG1136

site_idCSA3
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
AASP1132
AALA1134

site_idCSA4
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
BASP1132
BALA1134

site_idCSA5
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
AASP1132
AASN1137
AALA1134

site_idCSA6
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
BASP1132
BASN1137
BALA1134

site_idMCSA1
Number of Residues4
DetailsM-CSA 246
ChainResidueDetails
AASP1132increase nucleophilicity, proton acceptor, proton donor, steric role
AARG1136electrostatic stabiliser, increase electrophilicity, promote heterolysis
AASN1137metal ligand
AASP1150metal ligand

site_idMCSA2
Number of Residues4
DetailsM-CSA 246
ChainResidueDetails
BASP1132increase nucleophilicity, proton acceptor, proton donor, steric role
BARG1136electrostatic stabiliser, increase electrophilicity, promote heterolysis
BASN1137metal ligand
BASP1150metal ligand

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PDB entries from 2025-07-23

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