Structure of PDB 1ppi Chain A Binding Site BS01

Receptor Information
>1ppi 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]
QYAPQTQSGRTSIVHLFEWRWVDIALECERYLGPKGFGGVQVSPPNENVV
VTNPSRPWWERYQPVSYKLCTRSGNENEFRDMVTRCNNVGVRIYVDAVIN
HMCGSGAAAGTGTTCGSYCNPGSREFPAVPYSAWDFNDGKCKTASGGIES
YNDPYQVRDCQLVGLLDLALEKDYVRSMIADYLNKLIDIGVAGFRIDASK
HMWPGDIKAVLDKLHNLNTNWFPAGSRPFIFQEVIDLGGEAIKSSEYFGN
GRVTEFKYGAKLGTVVRKWSGEKMSYLKNWGEGWGFMPSDRALVFVDNHD
NQRGHGAGGSSILTFWDARLYKVAVGFMLAHPYGFTRVMSSYRWARNFVN
GEDVNDWIGPPNNNGVIKEVTINADTTCGNDWVCEHRWREIRNMVWFRNV
VDGEPFANWWDNGSNQVAFGRGNRGFIVFNNDDWQLSSTLQTGLPGGTYC
DVISGDKVGNSCTGIKVYVSSDGTAQFSISNSAEDPFIAIHAESKL
Ligand information
Ligand IDGLC
InChIInChI=1S/C6H12O6/c7-1-2-3(8)4(9)5(10)6(11)12-2/h2-11H,1H2/t2-,3-,4+,5-,6+/m1/s1
InChIKeyWQZGKKKJIJFFOK-DVKNGEFBSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0C(C1C(C(C(C(O1)O)O)O)O)O
OpenEye OEToolkits 1.5.0C([C@@H]1[C@H]([C@@H]([C@H]([C@H](O1)O)O)O)O)O
CACTVS 3.341OC[CH]1O[CH](O)[CH](O)[CH](O)[CH]1O
CACTVS 3.341OC[C@H]1O[C@H](O)[C@H](O)[C@@H](O)[C@@H]1O
ACDLabs 10.04OC1C(O)C(OC(O)C1O)CO
FormulaC6 H12 O6
Namealpha-D-glucopyranose;
alpha-D-glucose;
D-glucose;
glucose
ChEMBLCHEMBL423707
DrugBank
ZINCZINC000003861213
PDB chain1ppi Chain B Residue 1 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1ppi The active center of a mammalian alpha-amylase. Structure of the complex of a pancreatic alpha-amylase with a carbohydrate inhibitor refined to 2.2-A resolution.
Resolution2.2 Å
Binding residue
(original residue number in PDB)		W58 W59 Q63 H305
Binding residue
(residue number reindexed from 1)		W58 W59 Q63 H305
Annotation score4
Binding affinityPDBbind-CN: -logKd/Ki=5.01,Ki=9.7uM
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:1ppi, PDBe:1ppi, PDBj:1ppi
PDBsum1ppi
PubMed8193143
UniProtP00690|AMYP_PIG Pancreatic alpha-amylase (Gene Name=AMY2)

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