Structure of PDB 3n21 Chain A Binding Site BS05

Receptor Information

>3n21 Chain A (length=316) Species: 1427 (Bacillus thermoproteolyticus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]

ITGTSTVGVGRGVLGDQKNINTTYSTYYYLQDNTRGNGIFTYDAKYRTTL
PGSLWADADNQFFASYDAPAVDAHYYAGVTYDYYKNVHNRLSYDGNNAAI
RSSVHYSQGYNNAFWNGSQMVYGDGDGQTFIPLSGGIDVVAHELTHAVTD
YTAGLIYQNESGAINEAISDIFGTLVEFYANKNPDWEIGEDVYTPGISGD
SLRSMSDPAKYGDPDHYSKRYTGTQDNGGVHINSGIINKAAYLISQGGTH
YGVSVVGIGRDKLGKIFYRALTQYLTPTSNFSQLRAAAVQSATDLYGSTS
QEVASVKQAFDAVGVK

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

3n21 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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Structure summary

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PDB	3n21 Experimental and computational active site mapping as a starting point to fragment-based lead discovery.
Resolution	1.87 Å
Binding residue (original residue number in PDB)	Y193 T194 I197 D200
Binding residue (residue number reindexed from 1)	Y193 T194 I197 D200
Annotation score	4

Enzymatic activity

Catalytic site (original residue number in PDB)	H142 E143 H146 Y157 E166 D226 H231
Catalytic site (residue number reindexed from 1)	H142 E143 H146 Y157 E166 D226 H231
Enzyme Commision number	3.4.24.27: thermolysin.

Gene Ontology

	Molecular Function
GO:0004222	metalloendopeptidase activity

	Biological Process
GO:0006508	proteolysis

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Molecular Function

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Biological Process

External links

PDB	RCSB:3n21, PDBe:3n21, PDBj:3n21
PDBsum	3n21
PubMed	22213702
UniProt	P00800\|THER_BACTH Thermolysin (Gene Name=npr)

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