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1RQF

Structure of CK2 beta subunit crystallized in the presence of a p21WAF1 peptide

Functional Information from GO Data
ChainGOidnamespacecontents
A0005956cellular_componentprotein kinase CK2 complex
A0019887molecular_functionprotein kinase regulator activity
B0005956cellular_componentprotein kinase CK2 complex
B0019887molecular_functionprotein kinase regulator activity
D0005956cellular_componentprotein kinase CK2 complex
D0019887molecular_functionprotein kinase regulator activity
E0005956cellular_componentprotein kinase CK2 complex
E0019887molecular_functionprotein kinase regulator activity
G0005956cellular_componentprotein kinase CK2 complex
G0019887molecular_functionprotein kinase regulator activity
H0005956cellular_componentprotein kinase CK2 complex
H0019887molecular_functionprotein kinase regulator activity
J0005956cellular_componentprotein kinase CK2 complex
J0019887molecular_functionprotein kinase regulator activity
K0005956cellular_componentprotein kinase CK2 complex
K0019887molecular_functionprotein kinase regulator activity
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN A 179
ChainResidue
ACYS109
ACYS114
ACYS137
ACYS140

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN B 179
ChainResidue
BCYS109
BCYS114
BCYS137
BCYS140

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN D 201
ChainResidue
DCYS114
DCYS137
DCYS140
DCYS109

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN E 202
ChainResidue
ECYS109
ECYS114
ECYS137
ECYS140

site_idAC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN G 301
ChainResidue
GCYS109
GCYS114
GCYS137
GCYS140

site_idAC6
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN H 302
ChainResidue
HCYS109
HCYS114
HCYS137
HCYS140

site_idAC7
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN J 401
ChainResidue
JCYS109
JCYS114
JCYS137
JCYS140

site_idAC8
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN K 402
ChainResidue
KCYS109
KCYS114
KCYS137
KCYS140

Functional Information from PROSITE/UniProt
site_idPS01101
Number of Residues32
DetailsCK2_BETA Casein kinase II regulatory subunit signature. CPrVyCenqpmLPIGlsdipgeamVKlyCPkC
ChainResidueDetails
ACYS109-CYS140

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues24
DetailsMotif: {"description":"KSSR motif","evidences":[{"source":"UniProtKB","id":"P67870","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues32
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine; by autocatalysis","evidences":[{"evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

249697

PDB entries from 2026-02-25

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