Structure of PDB 3eqr Chain B

Receptor sequence
>3eqrB (length=271) Species: 9606 (Homo sapiens) [Search protein sequence]
LTCLIGEKDLRLLEKLGDGSFGVVRRGEWDAPSGKTVSVAVKCLKPDVLS
QPEAMDDFIREVNAMHSLDHRNLIRLYGVVLTPPMKMVTELAPLGSLLDR
LRKHQGHFLLGTLSRYAVQVAEGMGYLESKRFIHRDLAARNLLLATRDLV
KIGDFGLMRALPQNDDHYVMRKVPFAWCAPESLKTRTFSHASDTWMFGVT
LWEMFTYGQEPWIGLNGSQILHKIDKEGERLPRPEDCPQDIYNVMVQCWA
HKPEDRPTFVALRDFLLEAQP
3D structure
PDB3eqr Identification and optimization of N3,N6-diaryl-1H-pyrazolo[3,4-d]pyrimidine-3,6-diamines as a novel class of ACK1 inhibitors.
ChainB
Resolution2.0 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D252 A254 R256 N257 D270 V292
Catalytic site (residue number reindexed from 1) D136 A138 R140 N141 D154 V173
Enzyme Commision number 2.7.10.2: non-specific protein-tyrosine kinase.
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 T74 B L132 A156 K158 E177 I190 T205 A208 G211 L259 G269 L16 A40 K42 E61 I74 T89 A92 G95 L143 G153 MOAD: Ki=0.002uM
BindingDB: IC50=20nM,Ki=2nM
Gene Ontology
Molecular Function
GO:0004672 protein kinase activity
GO:0004713 protein tyrosine 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:3eqr, PDBe:3eqr, PDBj:3eqr
PDBsum3eqr
PubMed18993068
UniProtQ07912|ACK1_HUMAN Activated CDC42 kinase 1 (Gene Name=TNK2)

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