Structure of PDB 3r2b Chain A

Receptor sequence
>3r2bA (length=272) Species: 9606 (Homo sapiens) [Search protein sequence]
HVKSGLQIKKNAIIDDYKVTSQVLGLGINGKVLQIFNKRTQEKFALKMLQ
DCPKARREVELHWRASQCPHIVRIVDVYENLYAGRKCLLIVMECLDGGEL
FSRIQDAFTEREASEIMKSIGEAIQYLHSINIAHRDVKPENLLYTSKRPN
AILKLTDFGFAKETTPYYVAPEVLYDKSCDMWSLGVIMYILLCGYPPFYS
GMKTRIRMGQYEFPNPEWSEVSEEVKMLIRNLLKTEPTQRMTITEFMNHP
WIMQSTKVPQTPLHTSRVLKED
3D structure
PDB3r2b Structure-based lead identification of ATP-competitive MK2 inhibitors.
ChainA
Resolution2.9 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D186 K188 E190 N191 D207
Catalytic site (residue number reindexed from 1) D136 K138 E140 N141 D157
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 05B A L70 G71 L72 V78 A91 K93 E139 C140 L141 E190 N191 L193 D207 L24 G25 L26 V32 A45 K47 E93 C94 L95 E140 N141 L143 D157 PDBbind-CN: -logKd/Ki=8.40,IC50=4nM
BindingDB: EC50=620nM
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:3r2b, PDBe:3r2b, PDBj:3r2b
PDBsum3r2b
PubMed21565500
UniProtP49137|MAPK2_HUMAN MAP kinase-activated protein kinase 2 (Gene Name=MAPKAPK2)

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