Structure of PDB 1qib Chain A Binding Site BS04

Receptor Information
>1qib Chain A (length=161) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
RKPKWDKNQITYRIIGYTPDLDPETVDDAFARAFQVWSDVTPLRFSRIHD
GEADIMINFGRWEHGDGYPFDGKDGLLAHAFAPGTGVGGDSHFDDDELWS
LGKGVGYSLFLVAAHEFGHAMGLEHSQDPGALMAPIYTYTKNFRLSQDDI
KGIQELYGASP
Ligand information
Ligand IDCA
InChIInChI=1S/Ca/q+2
InChIKeyBHPQYMZQTOCNFJ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Ca++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Ca+2]
FormulaCa
NameCALCIUM ION
ChEMBL
DrugBankDB14577
ZINC
PDB chain1qib Chain A Residue 504 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1qib X-ray structure of gelatinase A catalytic domain complexed with a hydroxamate inhibitor
Resolution2.8 Å
Binding residue
(original residue number in PDB)		D141 G173 G175 D177
Binding residue
(residue number reindexed from 1)		D54 G86 G88 D90
Annotation score4
Enzymatic activity
Catalytic site (original residue number in PDB) H201 E202 H205 H211
Catalytic site (residue number reindexed from 1) H115 E116 H119 H125
Enzyme Commision number 3.4.24.24: gelatinase A.
Gene Ontology
Molecular Function
GO:0004222 metalloendopeptidase activity
GO:0008237 metallopeptidase activity
GO:0008270 zinc ion binding
Biological Process
GO:0006508 proteolysis
Cellular Component
GO:0031012 extracellular matrix

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1qib, PDBe:1qib, PDBj:1qib
PDBsum1qib
PubMed
UniProtP08253|MMP2_HUMAN 72 kDa type IV collagenase (Gene Name=MMP2)

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