Structure of PDB 1ua7 Chain A Binding Site BS09

Receptor Information

>1ua7 Chain A (length=422) Species: 1423 (Bacillus subtilis) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]

PSIKSGTILHAWNWSFNTLKHNMKDIHDAGYTAIQTSPINQVKEGNQGDK
SMSNWYWLYQPTSYQIGNRYLGTEQEFKEMCAAAEEYGIKVIVDAVINHT
TFDYAAISNEVKSIPNWTHGNTQIKNWSDRWDVTQNSLLGLYDWNTQNTQ
VQSYLKRFLERALNDGADGFRFDAAKHIELPDDGSYGSQFWPNITNTSAE
FQYGEILQDSASRDAAYANYMDVTASNYGHSIRSALKNRNLGVSNISHYA
SDVSADKLVTWVESHDTYANDDEESTWMSDDDIRLGWAVIASRSGSTPLF
FSRPEGGGNGVRFPGKSQIGDRGSALFEDQAITAVNRFHNVMAGQPEELS
NPQGNNQIFMNQRGSHGVVLANAGSSSVSINTATKLPDGRYDNKAGAGSF
QVNDGKLTGTINARSVAVLYPD

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

1ua7 Chain A Residue 603 [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	1ua7 Crystal structure of Bacillus subtilis alpha-amylase in complex with acarbose
Resolution	2.21 Å
Binding residue (original residue number in PDB)	E276 G313
Binding residue (residue number reindexed from 1)	E273 G310
Annotation score	4

Enzymatic activity

Enzyme Commision number

3.2.1.1: alpha-amylase.

Gene Ontology

	Molecular Function
GO:0003824	catalytic activity
GO:0004556	alpha-amylase activity
GO:0043169	cation binding

	Biological Process
GO:0005975	carbohydrate metabolic process

View graph for
Molecular Function

View graph for
Biological Process

External links

PDB	RCSB:1ua7, PDBe:1ua7, PDBj:1ua7
PDBsum	1ua7
PubMed	14617662
UniProt	P00691\|AMY_BACSU Alpha-amylase (Gene Name=amyE)

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