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2CN8

Crystal structure of human Chk2 in complex with debromohymenialdisine

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 Residues5
DetailsBINDING SITE FOR RESIDUE MG A1504
ChainResidue
AASP347
AASP368
AHIS371
AHOH2029
AHOH2030

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE NO3 A1505
ChainResidue
AARG406
ALEU375
AGLY403
ATYR404
AASN405

site_idAC3
Number of Residues12
DetailsBINDING SITE FOR RESIDUE DBQ A1506
ChainResidue
ALEU226
AVAL234
ALYS249
ALEU301
AGLU302
ALEU303
AMET304
AGLU308
AGLU351
AASN352
ALEU354
ATHR367

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 Residues1
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
AASN352
ALYS349

245011

PDB entries from 2025-11-19

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