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4FTI

Crystal Structure of the CHK1

Functional Information from GO Data
ChainGOidnamespacecontents
A0000077biological_processDNA damage checkpoint signaling
A0004672molecular_functionprotein kinase activity
A0004674molecular_functionprotein serine/threonine kinase activity
A0005524molecular_functionATP binding
A0006468biological_processprotein phosphorylation
Functional Information from PDB Data
site_idAC1
Number of Residues14
DetailsBINDING SITE FOR RESIDUE H7K A 301
ChainResidue
ALEU15
AGLY90
ALEU137
ASER147
AASP148
AHOH522
AVAL23
AALA36
ALYS38
AVAL68
ALEU84
AGLU85
ATYR86
ACYS87

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 A 302
ChainResidue
ALYS54
AARG129
ATHR153
AARG162
ALYS166
AHOH439

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE GOL A 303
ChainResidue
ATRP221
ALYS224
AHIS243
ALEU246
AHOH525

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE IPA A 304
ChainResidue
APHE93
AILE96
ATYR173
AGLY204

Functional Information from PROSITE/UniProt
site_idPS00107
Number of Residues24
DetailsPROTEIN_KINASE_ATP Protein kinases ATP-binding region signature. LGEGAYGEVQlAvnrvteea..........VAVK
ChainResidueDetails
ALEU15-LYS38

site_idPS00108
Number of Residues13
DetailsPROTEIN_KINASE_ST Serine/Threonine protein kinases active-site signature. ItHrDIKpeNLLL
ChainResidueDetails
AILE126-LEU138

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: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"source":"PubMed","id":"32357935","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

238895

PDB entries from 2025-07-16

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