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3ZEP

Crystal Structure of JAK3 Kinase Domain in Complex with a Pyrrolopyrazine-2-phenyl Ether Inhibitor

Functional Information from GO Data
ChainGOidnamespacecontents
A0004672molecular_functionprotein kinase activity
A0004713molecular_functionprotein tyrosine kinase activity
A0005524molecular_functionATP binding
A0006468biological_processprotein phosphorylation
B0004672molecular_functionprotein kinase activity
B0004713molecular_functionprotein tyrosine kinase activity
B0005524molecular_functionATP binding
B0006468biological_processprotein phosphorylation
C0004672molecular_functionprotein kinase activity
C0004713molecular_functionprotein tyrosine kinase activity
C0005524molecular_functionATP binding
C0006468biological_processprotein phosphorylation
D0004672molecular_functionprotein kinase activity
D0004713molecular_functionprotein tyrosine kinase activity
D0005524molecular_functionATP binding
D0006468biological_processprotein phosphorylation
Functional Information from PDB Data
site_idAC1
Number of Residues13
DetailsBINDING SITE FOR RESIDUE 1NX A 2099
ChainResidue
ALEU828
AASN954
ALEU956
AASP967
AHOH2025
AGLY829
ALYS830
AVAL836
AALA853
AGLU903
ATYR904
ALEU905
AGLY908

site_idAC2
Number of Residues13
DetailsBINDING SITE FOR RESIDUE 1NX B 2101
ChainResidue
BGLN827
BLEU828
BALA853
BMET902
BGLU903
BTYR904
BLEU905
BGLY908
BCYS909
BARG953
BLEU956
BHOH2030
CARG916

site_idAC3
Number of Residues16
DetailsBINDING SITE FOR RESIDUE 1NX C 2101
ChainResidue
BARG916
CGLN827
CLEU828
CVAL836
CALA853
CMET902
CGLU903
CTYR904
CLEU905
CGLY908
CCYS909
CASN954
CLEU956
CASP967
CHOH2023
CHOH2073

site_idAC4
Number of Residues11
DetailsBINDING SITE FOR RESIDUE 1NX D 2100
ChainResidue
DLEU828
DGLY829
DLYS830
DVAL836
DALA853
DGLU903
DTYR904
DLEU905
DCYS909
DASN954
DLEU956

site_idAC5
Number of Residues2
DetailsBINDING SITE FOR RESIDUE GOL C 2102
ChainResidue
BARG920
CGLU837

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

site_idPS00109
Number of Residues13
DetailsPROTEIN_KINASE_TYR Tyrosine protein kinases specific active-site signature. CVHrDLAARNILV
ChainResidueDetails
ACYS945-VAL957

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
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 Residues20
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues8
DetailsModified residue: {"description":"Phosphotyrosine","evidences":[{"source":"PubMed","id":"18250158","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues6
DetailsModified residue: {"description":"Phosphotyrosine; by autocatalysis","evidences":[{"source":"PubMed","id":"15831699","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

245663

PDB entries from 2025-12-03

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