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2WTJ

CRYSTAL STRUCTURE OF CHK2 IN COMPLEX WITH AN INHIBITOR

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 WTJ A 1513
ChainResidue
ALEU226
ANO31515
AHOH2066
AHOH2132
AHOH2246
AALA247
AGLU302
ALEU303
AMET304
AGLU305
AGLU351
ALEU354
AASP368

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE NO3 A 1514
ChainResidue
ALEU375
AGLY403
ATYR404
AASN405
AARG406

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE NO3 A 1515
ChainResidue
ALYS224
ALYS245
ALEU303
AWTJ1513

site_idAC4
Number of Residues3
DetailsBINDING SITE FOR RESIDUE EDO A 1516
ChainResidue
AGLU219
AASN290
APHE291

site_idAC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE EDO A 1517
ChainResidue
ALYS278
AILE288
ALYS289
AASN290

site_idAC6
Number of Residues2
DetailsBINDING SITE FOR RESIDUE EDO A 1518
ChainResidue
AALA215
APHE292

site_idAC7
Number of Residues8
DetailsBINDING SITE FOR RESIDUE EDO A 1519
ChainResidue
AASN269
AARG346
AHIS371
ASER379
AARG382
ATHR383
AHOH2102
AHOH2248

Functional Information from PROSITE/UniProt
site_idPS00108
Number of Residues13
DetailsPROTEIN_KINASE_ST Serine/Threonine protein kinases active-site signature. IiHrDLKpeNVLL
ChainResidueDetails
AILE343-LEU355

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Proton acceptor"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues9
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine; by autocatalysis","evidences":[{"source":"PubMed","id":"18644861","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsModified residue: {"description":"Phosphothreonine; by autocatalysis","evidences":[{"source":"PubMed","id":"11390408","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"17715138","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
AASP347
AGLU351

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
AASP347
ALYS349

site_idCSA3
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
AASP347
ALYS349
ATHR387

site_idCSA4
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
AASP347
AASN352
ALYS349

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PDB entries from 2025-12-17

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