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5LWM

Crystal structure of JAK3 in complex with Compound 4 (FM381)

Functional Information from GO Data
ChainGOidnamespacecontents
A0004672molecular_functionprotein kinase activity
A0005524molecular_functionATP binding
A0006468biological_processprotein phosphorylation
Functional Information from PDB Data
site_idAC1
Number of Residues13
Detailsbinding site for residue 79T A 1201
ChainResidue
ALEU828
ALEU956
AEDO1203
AHOH1374
AHOH1379
AALA853
AGLU903
ATYR904
ALEU905
ACYS909
AARG911
AASP912
AARG953

site_idAC2
Number of Residues7
Detailsbinding site for residue PHU A 1202
ChainResidue
ATRP1011
APRO1030
AMET1037
AARG1059
ALEU1060
ATRP1078
AHOH1362

site_idAC3
Number of Residues8
Detailsbinding site for residue EDO A 1203
ChainResidue
AGLY831
AGLY834
AVAL836
ALYS855
A79T1201
AHOH1317
AHOH1323
AHOH1371

site_idAC4
Number of Residues4
Detailsbinding site for residue EDO A 1204
ChainResidue
AASP846
AASN847
AASP863
AASP867

site_idAC5
Number of Residues8
Detailsbinding site for residue EDO A 1205
ChainResidue
AHIS917
AARG920
APRO996
ALEU1054
AGLU1055
AARG1059
APRO1080
AHOH1408

site_idAC6
Number of Residues5
Detailsbinding site for residue EDO A 1206
ChainResidue
AGLU938
ATYR939
ASER942
AARG943
AHOH1302

site_idAC7
Number of Residues6
Detailsbinding site for residue EDO A 1207
ChainResidue
ASER924
AARG925
ALEU928
ATRP1099
AARG1103
AHOH1311

site_idAC8
Number of Residues3
Detailsbinding site for residue EDO A 1208
ChainResidue
ATYR981
AVAL982
AHOH1330

Functional Information from PROSITE/UniProt
site_idPS00107
Number of Residues28
DetailsPROTEIN_KINASE_ATP Protein kinases ATP-binding region signature. LGKGNFGSVElCrydplgdntgal......VAVK
ChainResidueDetails
ALEU828-LYS855

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 Residues2
DetailsModified residue: {"description":"Phosphotyrosine","evidences":[{"source":"PubMed","id":"18250158","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsModified residue: {"description":"Phosphotyrosine; by autocatalysis","evidences":[{"source":"PubMed","id":"15831699","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

249524

PDB entries from 2026-02-18

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