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4FBX

Complex structure of human protein kinase CK2 catalytic subunit crystallized in the presence of a bisubstrate inhibitor

Functional Information from GO Data
ChainGOidnamespacecontents
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 Residues2
DetailsBINDING SITE FOR RESIDUE CL A 401
ChainResidue
AHIS148
AALA315

site_idAC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CL A 402
ChainResidue
AARG155
ATYR188
AASN189

site_idAC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CL A 403
ChainResidue
AHOH566
AHOH568
AHOH586

site_idAC4
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CL A 404
ChainResidue
APRO159
AHIS160
ALYS122

site_idAC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CL A 405
ChainResidue
ALYS229
APHE232
AHIS234
AARG244

site_idAC6
Number of Residues7
DetailsBINDING SITE FOR CHAIN B OF BISUBSTRATE INHIBITOR
ChainResidue
AILE95
AVAL116
AASN118
AHIS160
AMET163
AILE174
AHOH595

Functional Information from PROSITE/UniProt
site_idPS00107
Number of Residues24
DetailsPROTEIN_KINASE_ATP Protein kinases ATP-binding region signature. LGRGKYSEVFeAinitnnek..........VVVK
ChainResidueDetails
ALEU45-LYS68

site_idPS00108
Number of Residues13
DetailsPROTEIN_KINASE_ST Serine/Threonine protein kinases active-site signature. ImHrDVKphNVMI
ChainResidueDetails
AILE152-ILE164

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues285
DetailsDomain: {"description":"Protein kinase","evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues5
DetailsRegion: {"description":"Interaction with beta subunit","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsActive site: {"description":"Proton acceptor"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues9
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

239803

PDB entries from 2025-08-06

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