Structure of PDB 1s3x Chain A Binding Site BS01

Receptor Information
>1s3x Chain A (length=380) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
KAAAIGIDLGTTYSCIGVFQHGKVEIIANDQGNRTTPSYVAFTDTERLIG
DAAKNQVALNPQNTVFDAKRLIGRKFGDPVVQSDMKHWPFQVINDGDKPK
VQVSYKGETKAFYPEEISSMVLTKMKEIAEAYLGYPVTNAVITVPAYFND
SQRQATKDAGVIAGLNVLRIINEPTAAAIAYGLDRTGKGERNVLIFDLGG
GTFDVSILTIDDGIFEVKATAGDTHLGGEDFDNRLVNHFVEEFKRKHKKD
ISQNKRAVRRLRTACERAKRTLSSSTQASLEIDSLFEGIDFYTSITRARF
EELCSDLFRSTLEPVEKALRDAKLDKAQIHDLVLVGGSTRIPKVQKLLQD
FFNGRDLNKSINPDEAVAYGAAVQAAILMG
Ligand information
Ligand IDPO4
InChIInChI=1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)/p-3
InChIKeyNBIIXXVUZAFLBC-UHFFFAOYSA-K
SMILES
SoftwareSMILES
CACTVS 3.341[O-][P]([O-])([O-])=O
ACDLabs 10.04[O-]P([O-])([O-])=O
OpenEye OEToolkits 1.5.0[O-]P(=O)([O-])[O-]
FormulaO4 P
NamePHOSPHATE ION
ChEMBL
DrugBankDB14523
ZINC
PDB chain1s3x Chain A Residue 384 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB1s3x Human Hsp70 molecular chaperone binds two calcium ions within the ATPase domain
Resolution1.84 Å
Binding residue
(original residue number in PDB)		G12 T13 K71 T204
Binding residue
(residue number reindexed from 1)		G10 T11 K69 T202
Annotation score3
Enzymatic activity
Catalytic site (original residue number in PDB) D10 K71 E175 D199
Catalytic site (residue number reindexed from 1) D8 K69 E173 D197
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0005524 ATP binding
GO:0140662 ATP-dependent protein folding chaperone

View graph for
Molecular Function
External links
PDB RCSB:1s3x, PDBe:1s3x, PDBj:1s3x
PDBsum1s3x
PubMed9083109
UniProtP0DMV8|HS71A_HUMAN Heat shock 70 kDa protein 1A (Gene Name=HSPA1A)

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