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3Q9X

Crystal structure of human CK2 alpha in complex with emodin at pH 6.5

Functional Information from GO Data
ChainGOidnamespacecontents
A0004672molecular_functionprotein kinase activity
A0004674molecular_functionprotein serine/threonine kinase activity
A0005524molecular_functionATP binding
A0006468biological_processprotein phosphorylation
B0004672molecular_functionprotein kinase activity
B0004674molecular_functionprotein serine/threonine kinase activity
B0005524molecular_functionATP binding
B0006468biological_processprotein phosphorylation
Functional Information from PDB Data
site_idAC1
Number of Residues8
DetailsBINDING SITE FOR RESIDUE EMO A 400
ChainResidue
AVAL66
ALYS68
AILE95
APHE113
AHIS160
AILE174
AASP175
AHOH347

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE EDO A 337
ChainResidue
AASP25
ATYR26
AGLU27
ALYS44
ATRP24

site_idAC3
Number of Residues12
DetailsBINDING SITE FOR RESIDUE 7PE A 338
ChainResidue
AGLU252
AASP253
ASER277
AARG278
AARG280
AARG283
AHOH365
BGLU252
BASP253
BSER277
BARG278
BARG280

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 339
ChainResidue
ATRP33
ALYS75
ALYS102
AHOH430

site_idAC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 340
ChainResidue
AARG80
AARG155
AASN189
AHOH375

site_idAC6
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 A 341
ChainResidue
AARG191
ALYS198
AASN238

site_idAC7
Number of Residues11
DetailsBINDING SITE FOR RESIDUE EMO B 401
ChainResidue
BVAL53
BVAL66
BLYS68
BILE95
BPHE113
BVAL116
BASN118
BMET163
BILE174
BASP175
BHOH357

site_idAC8
Number of Residues6
DetailsBINDING SITE FOR RESIDUE PEG B 337
ChainResidue
BGLN36
BTYR39
BVAL101
BASP103
BTHR108
BALA110

site_idAC9
Number of Residues2
DetailsBINDING SITE FOR RESIDUE EDO B 338
ChainResidue
BHIS276
BLYS279

site_idBC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 B 339
ChainResidue
BARG80
BARG155
BASN189
BHOH384

site_idBC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 B 340
ChainResidue
BTRP33
BLYS75
BLYS102
BHOH403
BHOH437
BHOH472

site_idBC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 B 341
ChainResidue
ALYS74
BLYS75
BLYS102
BARG107

site_idBC4
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 B 342
ChainResidue
BARG191
BLYS198
BASN238

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 Residues570
DetailsDomain: {"description":"Protein kinase","evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues10
DetailsRegion: {"description":"Interaction with beta subunit","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsActive site: {"description":"Proton acceptor"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues18
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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