Structure of PDB 4b8m Chain B

Receptor sequence
>4b8mB (length=280) Species: 8355 (Xenopus laevis) [Search protein sequence]
TALAEMPKRKFTIDDFDIGRPLGKGKFGNVYLAREKQNKFIMALKVLFKS
QLEKEGVEHQLRREIEIQSHLRHPNILRMYNYFHDRKRIYLMLEFAPRGE
LYKELQKHGRFDEQRSATFMEELADALHYCHERKVIHRDIKPENLLMGYK
GELKIADFGWSVHAPSLRRRTMCGTLDYLPPEMIEGKTHDEKVDLWCAGV
LCYEFLVGMPPFDSPSHTETHRRIVNVDLKFPPFLSDGSKDLISKLLRYH
PPQRLPLKGVMEHPWVKANSRRVLPPVYQS
3D structure
PDB4b8m Structural and Biochemical Analysis of an Aurora B Kinase Mutant Reveals a Multistep Activation Mechanism
ChainB
Resolution1.85 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D216 K218 E220 N221 D234 T252
Catalytic site (residue number reindexed from 1) D139 K141 E143 N144 D157 T175
Enzyme Commision number 2.7.11.1: non-specific serine/threonine 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 VX6 B L99 F104 E171 F172 A173 P174 G176 E177 L223 D234 L22 F27 E94 F95 A96 P97 G99 E100 L146 D157 BindingDB: IC50=19nM
Gene Ontology
Molecular Function
GO:0004672 protein 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:4b8m, PDBe:4b8m, PDBj:4b8m
PDBsum4b8m
PubMed
UniProtQ6DE08|AUKBA_XENLA Aurora kinase B-A (Gene Name=aurkb-a)

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