Structure of PDB 1ose Chain A Binding Site BS05

Receptor Information
>1ose Chain A (length=496) Species: 9823 (Sus scrofa) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
QYAPQTQSGRTSIVHLFEWRWVDIALECERYLGPKGFGGVQVSPPNENIV
VTNPSRPWWERYQPVSYKLCTRSGNENEFRDMVTRCNNVGVRIYVDAVIN
HMCGSGAAAGTGTTCGSYCNPGSREFPAVPYSAWDFNDGKCKTASGGIES
YNDPYQVRDCQLVGLLDLALEKDYVRSMIADYLNKLIDIGVAGFRIDASK
HMWPGDIKAVLDKLHNLNTNWFPAGSRPFIFQEVIDLGGEAIQSSEYFGN
GRVTEFKYGAKLGTVVRKWSGEKMSYLKNWGEGWGFMPSDRALVFVDNHD
NQRGHGAGGASILTFWDARLYKVAVGFMLAHPYGFTRVMSSYRWARNFVN
GEDVNDWIGPPNNNGVIKEVTINADTTCGNDWVCEHRWREIRNMVWFRNV
VDGEPFANWWDNGSNQVAFGRGNRGFIVFNNDDWQLSSTLQTGLPGGTYC
DVISGDKVGNSCTGIKVYVSSDGTAQFSISNSAEDPFIAIHAESKL
Ligand information
Ligand IDCA
InChIInChI=1S/Ca/q+2
InChIKeyBHPQYMZQTOCNFJ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Ca++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Ca+2]
FormulaCa
NameCALCIUM ION
ChEMBL
DrugBankDB14577
ZINC
PDB chain1ose Chain A Residue 500 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1ose Crystal structure of pig pancreatic alpha-amylase isoenzyme II, in complex with the carbohydrate inhibitor acarbose.
Resolution2.3 Å
Binding residue
(original residue number in PDB)		N100 R158 D167 H201
Binding residue
(residue number reindexed from 1)		N100 R158 D167 H201
Annotation score4
Enzymatic activity
Catalytic site (original residue number in PDB) D197 S226 D300
Catalytic site (residue number reindexed from 1) D197 S226 D300
Enzyme Commision number 3.2.1.1: alpha-amylase.
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0004556 alpha-amylase activity
GO:0005509 calcium ion binding
GO:0016160 amylase activity
GO:0016798 hydrolase activity, acting on glycosyl bonds
GO:0031404 chloride ion binding
GO:0043169 cation binding
GO:0046872 metal ion binding
Biological Process
GO:0005975 carbohydrate metabolic process
GO:0016052 carbohydrate catabolic process
Cellular Component
GO:0005576 extracellular region
GO:0005615 extracellular space

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1ose, PDBe:1ose, PDBj:1ose
PDBsum1ose
PubMed8681972
UniProtP00690|AMYP_PIG Pancreatic alpha-amylase (Gene Name=AMY2)

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