Structure of PDB 4tw9 Chain B

Receptor sequence
>4tw9B (length=289) Species: 9606 (Homo sapiens) [Search protein sequence]
MELRVGNRYRLGNKIGSGSFGDIYLGTDIAAGEEVAIKLECVKTKHPQLH
IESKIYKMMQGGVGIPTIRWCGAEGDYNVMVMELLGPSLEDLFNFCSRKF
SLKTVLLLADQMISRIEYIHSKNFIHRDVKPDNFLMGLGKKGNLVYIIDF
GLAKKYRDARTHQHIPYRENKNLTGTARYASINTHLGIEQSRRDDLESLG
YVLMYFNLGSLPWQGLKKYERISEKKMSTPIEVLCKGYPSEFATYLNFCR
SLRFDDKPDYSYLRQLFRNLFHRQGFSYDYVFDWNMLKF
3D structure
PDB4tw9 Difluoro-dioxolo-benzoimidazol-benzamides As Potent Inhibitors of CK1 delta and epsilon with Nanomolar Inhibitory Activity on Cancer Cell Proliferation.
ChainB
Resolution2.4 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D128 K130
Catalytic site (residue number reindexed from 1) D128 K130
Enzyme Commision number 2.7.11.1: non-specific serine/threonine protein kinase.
2.7.11.26: [tau protein] kinase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 386 B I23 A36 Y56 M82 L85 G86 P87 D91 L135 L293 I23 A36 Y56 M82 L85 G86 P87 D91 L135 L287 MOAD: ic50=0.02uM
PDBbind-CN: -logKd/Ki=7.70,IC50=0.02uM
Gene Ontology
Molecular Function
GO:0004672 protein kinase activity
GO:0005524 ATP binding
Biological Process
GO:0006468 protein phosphorylation

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Molecular Function
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Biological Process
External links
PDB RCSB:4tw9, PDBe:4tw9, PDBj:4tw9
PDBsum4tw9
PubMed25191940
UniProtP48730|KC1D_HUMAN Casein kinase I isoform delta (Gene Name=CSNK1D)

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