Structure of PDB 3r4o Chain A Binding Site BS01

Receptor Information
>3r4o Chain A (length=210) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
VETFAFQAEIAQLMSLIINTFYSNKEIFLRELISNSSDALDKIRYESLTD
PSKLDSGKELHINLIPNKQDRTLTIVDTGIGMTKADLINNLGTIAKSGTK
AFMEALQAGADISMIGQFGVGFYSAYLVAEKVTVITKHNDDEQYAWESSA
GGSFTVRTDTGEPMGRGTKVILHLKEDQTEYLEERRIKEIVKKHSQFIGY
PITLFVEKEL
Ligand information
Ligand IDFU3
InChIInChI=1S/C21H22Cl2F3N5O2/c22-11-7-14(23)17(16(8-11)33-6-2-5-21(24,25)26)18-13-9-31(10-15(13)29-19(27)30-18)20(32)28-12-3-1-4-12/h7-8,12H,1-6,9-10H2,(H,28,32)(H2,27,29,30)
InChIKeyOQTGWGQVJCWDDT-UHFFFAOYSA-N
SMILES
SoftwareSMILES
ACDLabs 12.01FC(F)(F)CCCOc4cc(Cl)cc(Cl)c4c1nc(nc3c1CN(C(=O)NC2CCC2)C3)N
CACTVS 3.370Nc1nc2CN(Cc2c(n1)c3c(Cl)cc(Cl)cc3OCCCC(F)(F)F)C(=O)NC4CCC4
OpenEye OEToolkits 1.7.0c1c(cc(c(c1OCCCC(F)(F)F)c2c3c(nc(n2)N)CN(C3)C(=O)NC4CCC4)Cl)Cl
FormulaC21 H22 Cl2 F3 N5 O2
Name2-amino-N-cyclobutyl-4-[2,4-dichloro-6-(4,4,4-trifluorobutoxy)phenyl]-5,7-dihydro-6H-pyrrolo[3,4-d]pyrimidine-6-carboxamide
ChEMBLCHEMBL1738803
DrugBank
ZINCZINC000043197651
PDB chain3r4o Chain A Residue 901 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3r4o Optimization of potent, selective, and orally bioavailable pyrrolodinopyrimidine-containing inhibitors of heat shock protein 90. Identification of development candidate 2-amino-4-{4-chloro-2-[2-(4-fluoro-1H-pyrazol-1-yl)ethoxy]-6-methylphenyl}-N-(2,2-difluoropropyl)-5,7-dihydro-6H-pyrrolo[3,4-d]pyrimidine-6-carboxamide.
Resolution2.65 Å
Binding residue
(original residue number in PDB)
D54 A55 I96 G97 M98 D102 N106 L107 F138
Binding residue
(residue number reindexed from 1)
D38 A39 I80 G81 M82 D86 N90 L91 F122
Annotation score1
Binding affinityPDBbind-CN: -logKd/Ki=8.15,Ki=7nM
BindingDB: Ki=7nM
Enzymatic activity
Enzyme Commision number 3.6.4.10: non-chaperonin molecular chaperone ATPase.
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:3r4o, PDBe:3r4o, PDBj:3r4o
PDBsum3r4o
PubMed21438541
UniProtP07900|HS90A_HUMAN Heat shock protein HSP 90-alpha (Gene Name=HSP90AA1)

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