Structure of PDB 3q9x Chain B Binding Site BS01

Receptor Information
>3q9x Chain B (length=330) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SGPVPSRARVYTDVNTHRPREYWDYESHVVEWGNQDDYQLVRKLGRGKYS
EVFEAINITNNEKVVVKILKPVKKKKIKREIKILENLRGGPNIITLADIV
KDPVSRTPALVFEHVNNTDFKQLYQTLTDYDIRFYMYEILKALDYCHSMG
IMHRDVKPHNVMIDHEHRKLRLIDWGLAEFYHPGQEYNVRVASRYFKGPE
LLVDYQMYDYSLDMWSLGCMLASMIFRKEPFFHGHDNYDQLVRIAKVLGT
EDLYDYIDKYNIELDPRFNDILGRHSRKRWERFVHSENQHLVSPEALDFL
DKLLRYDHQSRLTAREAMEHPYFYTVVKDQ
Ligand information
Ligand IDEMO
InChIInChI=1S/C15H10O5/c1-6-2-8-12(10(17)3-6)15(20)13-9(14(8)19)4-7(16)5-11(13)18/h2-5,16-18H,1H3
InChIKeyRHMXXJGYXNZAPX-UHFFFAOYSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0Cc1cc2c(c(c1)O)C(=O)c3c(cc(cc3O)O)C2=O
ACDLabs 10.04O=C2c1c(O)cc(cc1C(=O)c3c2c(O)cc(O)c3)C
CACTVS 3.341Cc1cc(O)c2C(=O)c3c(O)cc(O)cc3C(=O)c2c1
FormulaC15 H10 O5
Name3-METHYL-1,6,8-TRIHYDROXYANTHRAQUINONE;
EMODIN
ChEMBLCHEMBL289277
DrugBankDB07715
ZINCZINC000003824868
PDB chain3q9x Chain B Residue 401 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3q9x Structural and functional analysis of the flexible regions of the catalytic alpha-subunit of protein kinase CK2
Resolution2.2 Å
Binding residue
(original residue number in PDB)		V53 V66 K68 I95 F113 N118 M163 I174 D175
Binding residue
(residue number reindexed from 1)		V52 V65 K67 I94 F112 N117 M162 I173 D174
Annotation score1
Binding affinityBindingDB: Ki=1850nM,IC50=580nM
Enzymatic activity
Catalytic site (original residue number in PDB) D156 K158 N161 D175 P184 S194
Catalytic site (residue number reindexed from 1) D155 K157 N160 D174 P183 S193
Enzyme Commision number 2.7.11.1: non-specific serine/threonine protein kinase.
Gene Ontology
Molecular Function
GO:0004672 protein kinase activity
GO:0004674 protein serine/threonine kinase activity
GO:0005524 ATP binding
Biological Process
GO:0006468 protein phosphorylation

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:3q9x, PDBe:3q9x, PDBj:3q9x
PDBsum3q9x
PubMed
UniProtP68400|CSK21_HUMAN Casein kinase II subunit alpha (Gene Name=CSNK2A1)

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