Structure of PDB 3r4p Chain A Binding Site BS01

Receptor Information
>3r4p Chain A (length=222) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
DQPMEEEEVETFAFQAEIAQLMSLIINTFYSNKEIFLRELISNSSDALDK
IRYESLTDPSKLDSGKELHINLIPNKQDRTLTIVDTGIGMTKADLINNLG
TIAKSGTKAFMEALQAGADISMIGQFGVGFYSAYLVAEKVTVITKHNDDE
QYAWESSAGGSFTVRTDTGEPMGRGTKVILHLKEDQTEYLEERRIKEIVK
KHSQFIGYPITLFVEKELEHHH
Ligand information
Ligand IDFU7
InChIInChI=1S/C21H21Cl2F2N7O2/c1-21(24,25)11-27-20(33)31-9-13-15(10-31)29-19(26)30-18(13)17-14(23)7-12(22)8-16(17)34-6-5-32-4-2-3-28-32/h2-4,7-8H,5-6,9-11H2,1H3,(H,27,33)(H2,26,29,30)
InChIKeyRIVRSBWWXQQZLY-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.370CC(F)(F)CNC(=O)N1Cc2nc(N)nc(c2C1)c3c(Cl)cc(Cl)cc3OCCn4cccn4
ACDLabs 12.01FC(F)(C)CNC(=O)N4Cc1c(nc(nc1c3c(OCCn2nccc2)cc(Cl)cc3Cl)N)C4
OpenEye OEToolkits 1.7.0CC(CNC(=O)N1Cc2c(nc(nc2c3c(cc(cc3Cl)Cl)OCCn4cccn4)N)C1)(F)F
FormulaC21 H21 Cl2 F2 N7 O2
Name2-amino-4-{2,4-dichloro-6-[2-(1H-pyrazol-1-yl)ethoxy]phenyl}-N-(2,2-difluoropropyl)-5,7-dihydro-6H-pyrrolo[3,4-d]pyrimidine-6-carboxamide
ChEMBLCHEMBL1738805
DrugBank
ZINCZINC000066165974
PDB chain3r4p 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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PDB3r4p 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.
Resolution1.7 Å
Binding residue
(original residue number in PDB)
N51 S52 A55 K58 I96 G97 M98 N106 L107 F138
Binding residue
(residue number reindexed from 1)
N43 S44 A47 K50 I88 G89 M90 N98 L99 F130
Annotation score1
Binding affinityMOAD: Ki=0.011uM
PDBbind-CN: -logKd/Ki=7.96,Ki=11nM
BindingDB: Ki=11nM
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

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Biological Process
External links
PDB RCSB:3r4p, PDBe:3r4p, PDBj:3r4p
PDBsum3r4p
PubMed21438541
UniProtP07900|HS90A_HUMAN Heat shock protein HSP 90-alpha (Gene Name=HSP90AA1)

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