Structure of PDB 1dbi Chain A Binding Site BS03

Receptor Information

>1dbi Chain A (length=271) Species: 268807 (Bacillus sp. Ak1) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]

WTPNDTYYQGYQYGPQNTYTDYAWDVTKGSSGQEIAVIDTGVDYTHPDLD
GKVIKGYDFVDNDYDPMDLNNHGTHVAGIAAAETNNATGIAGMAPNTRIL
AVRALDRNGSGTLSDIADAIIYAADSGAEVINLSLGCDCHTTTLENAVNY
AWNKGSVVVAAAGNNSYENVIAVGAVDQYDRLASFSNYGTWVDVVAPGVD
IVSTITGNRYAYMSGTSMASPHVAGLAALLASQGRNNIEIRQAIEQTADK
ISGTGTYFKYGRINSYNAVTY

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

1dbi Chain A Residue 704 [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	1dbi Calcium-mediated thermostability in the subtilisin superfamily: the crystal structure of Bacillus Ak.1 protease at 1.8 A resolution.
Resolution	1.8 Å
Binding residue (original residue number in PDB)	P47 D50 E83
Binding residue (residue number reindexed from 1)	P47 D50 E83
Annotation score	4

Enzymatic activity

Catalytic site (original residue number in PDB)	D39 H72 N164 S226
Catalytic site (residue number reindexed from 1)	D39 H72 N164 S217
Enzyme Commision number	3.4.21.-

Gene Ontology

	Molecular Function
GO:0004252	serine-type endopeptidase activity
GO:0008236	serine-type peptidase activity

	Biological Process
GO:0006508	proteolysis

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Molecular Function

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Biological Process

External links

PDB	RCSB:1dbi, PDBe:1dbi, PDBj:1dbi
PDBsum	1dbi
PubMed	10588904
UniProt	Q45670\|THES_BACSJ Thermophilic serine proteinase

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