Structure of PDB 1c3i Chain B Binding Site BS04

Receptor Information

>1c3i Chain B (length=173) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]

FRTFPGIPKWRKTHLTYRIVNYTPDLPKDAVDSAVEKALKVWEEVTPLTF
SRLYEGEADIMISFAVREHGDFYPFDGPGNVLAHAYAPGPGINGDAHFDD
DEQWTKDTTGTNLFLVAAHEIGHSLGLFHSANTEALMYPLYHSLTDLTRF
RLSQDDINGIQSLYGPPPDSPET

Ligand information

Ligand ID

InChI

InChI=1S/Ca/q+2

InChIKey

BHPQYMZQTOCNFJ-UHFFFAOYSA-N

SMILES

Software	SMILES
CACTVS 3.341	[Ca++]
ACDLabs 10.04 OpenEye OEToolkits 1.5.0	[Ca+2]

Formula

Name

CALCIUM ION

PDB chain

1c3i Chain B Residue 263 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]

Receptor-Ligand Complex Structure

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Structure summary

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PDB	1c3i Expression, characterization and structure determination of an active site mutant (Glu202-Gln) of mini-stromelysin-1.
Resolution	1.83 Å
Binding residue (original residue number in PDB)	D141 G173 N175 D177
Binding residue (residue number reindexed from 1)	D59 G91 N93 D95
Annotation score	4

Enzymatic activity

Catalytic site (original residue number in PDB)	H201 E202 H205 H211
Catalytic site (residue number reindexed from 1)	H119 E120 H123 H129
Enzyme Commision number	3.4.24.17: stromelysin 1.

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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Cellular Component

External links

PDB	RCSB:1c3i, PDBe:1c3i, PDBj:1c3i
PDBsum	1c3i
PubMed	10877850
UniProt	P08254\|MMP3_HUMAN Stromelysin-1 (Gene Name=MMP3)

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