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3Q9Z

Crystal structure of human CK2 alpha in complex with Quinalizarin 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 Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 337
ChainResidue
AARG80
AARG155
AASN189
AHOH365

site_idAC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 A 338
ChainResidue
ATRP33
ALYS75
ALYS102

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 A 339
ChainResidue
AARG195
ALYS198
AHOH445
ALYS49
ASER194

site_idAC4
Number of Residues10
DetailsBINDING SITE FOR RESIDUE TXQ A 340
ChainResidue
AARG47
AVAL53
AVAL66
ALYS68
APHE113
AHIS160
AMET163
AILE174
AASP175
AHOH344

site_idAC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE EDO A 341
ChainResidue
ATRP24
AASP25
ATYR26
AGLU27

site_idAC6
Number of Residues5
DetailsBINDING SITE FOR RESIDUE EDO A 342
ChainResidue
AVAL293
AHOH451
AHOH467
BASP299
BLYS303

site_idAC7
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 B 337
ChainResidue
BARG80
BARG155
BASN189
BHOH347

site_idAC8
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 B 338
ChainResidue
BARG191
BLYS198
BASN238

site_idAC9
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 B 339
ChainResidue
ALYS74
BTRP33
BLYS75
BLYS102
BHOH457

site_idBC1
Number of Residues11
DetailsBINDING SITE FOR RESIDUE TXQ B 340
ChainResidue
BARG47
BVAL53
BVAL66
BLYS68
BPHE113
BASN118
BHIS160
BMET163
BILE174
BASP175
BHOH351

site_idBC2
Number of Residues2
DetailsBINDING SITE FOR RESIDUE NA B 341
ChainResidue
AHOH398
BLYS75

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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