Structure of PDB 2xab Chain A

Receptor sequence
>2xabA (length=208) Species: 9606 (Homo sapiens) [Search protein sequence]
EVETFAFQAEIAQLMSLIINTFYSNKEIFLRELISNSSDALDKIRYESLT
DPSKLDSGKELHINLIPNKQDRTLTIVDTGIGMTKADLINNLGTIAKSGT
KAFMEALQAGADISMIGQFGVGFYSAYLVAEKVTVITKHNDDEQYAWESS
AGGSFTVRTDTGEPMGRGTKVILHLKEDQTEYLEERRIKEIVKKHSQFIG
YPITLFVE
3D structure
PDB2xab Discovery of (2,4-Dihydroxy-5-Isopropylphenyl)-[5-(4-Methylpiperazin-1-Ylmethyl)-1,3-Dihydroisoindol-2-Yl]Methanone (at13387), a Novel Inhibitor of the Molecular Chaperone Hsp90 by Fragment Based Drug Design.
ChainA
Resolution1.9 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 3.6.4.10: non-chaperonin molecular chaperone ATPase.
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 VHD A N51 A55 D93 I96 G97 M98 L107 F138 T184 N36 A40 D78 I81 G82 M83 L92 F123 T169 MOAD: Kd=0.54nM
PDBbind-CN: -logKd/Ki=9.27,Kd=0.54nM
Gene Ontology
Molecular Function
GO:0005524 ATP binding
GO:0016887 ATP hydrolysis activity
GO:0051082 unfolded protein binding
GO:0140662 ATP-dependent protein folding chaperone
Biological Process
GO:0006457 protein folding

View graph for
Molecular Function

View graph for
Biological Process
External links
PDB RCSB:2xab, PDBe:2xab, PDBj:2xab
PDBsum2xab
PubMed20662534
UniProtP07900|HS90A_HUMAN Heat shock protein HSP 90-alpha (Gene Name=HSP90AA1)

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