Structure of PDB 1b3d Chain A Binding Site BS05

Receptor Information

>1b3d Chain A (length=169) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]

FRTFPGIPKWRKTHLTYRIVNYTPDLPKDAVDSAVEKALKVWEEVTPLTF
SRLYEGEADIMISFAVREHGDFYPFDGPGNVLAHAYAPGPGINGDAHFDD
DEQWTKDTTGTNLFLVAAHEIGHSLGLFHSANTEALMYPLYHSLTDLTRF
RLSQDDINGIQSLYGPPPD

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

1b3d Chain A Residue 305 [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	1b3d Crystal structure of the stromelysin catalytic domain at 2.0 A resolution: inhibitor-induced conformational changes.
Resolution	2.3 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:1b3d, PDBe:1b3d, PDBj:1b3d
PDBsum	1b3d
PubMed	10543949
UniProt	P08254\|MMP3_HUMAN Stromelysin-1 (Gene Name=MMP3)

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