Brand  (β version)

color scheme of protein:

hetatm:

x
information
centroid:
interaction residue:

chain:

Ligands
Code Name Link
CA Calcium ion
CL Chloride ion
0XR Ethyl (2e)-3-(3,4-dihydroxyphenyl)prop-2-enoate
NAG N-acetyl-D-glucosamine
Modified Residues
Code Name Link
PCA Pyroglutamic acid
Code : 4GQQ
Header : HYDROLASE/HYDROLASE INHIBITOR
Title : Human pancreatic alpha-amylase with bound ethyl caffeate
Release Data : 2012-10-24
Compound :
mol_id molecule chains synonym
1 Pancreatic alpha-amylase A PA, 1,4-alpha-D-glucan glucanohydrolase
ec: 3.2.1.1
fragment: UNP residues 16-511
Source :
mol_id organism_scientific organism_common expression_system
1 Homo sapiens  (taxid:9606) Human Komagataella pastoris  (taxid:4922)
gene: AMY2A
expression_system_common: Pichia pastoris
Authors : Williams, L.K., Brayer, G.D.
Keywords : glycosyl hydrolase, noncompetitive inhibition, diabetes, obesity, digestion, glycosidase, enzyme inhibition, flavonol, myricetin, drug design, HYDROLASE-HYDROLASE INHIBITOR complex
Exp. method : X-RAY DIFFRACTION ( 1.3500 Å )
Citation :

Order and disorder: differential structural impacts of myricetin and ethyl caffeate on human amylase, an antidiabetic target.

Williams, L.K.,Li, C.,Withers, S.G.  et al.
(2012)  J.Med.Chem.  55 : 10177 - 10186

PubMed: 23050660
DOI: 10.1021/jm301273u

Chain : A
UniProt : P04746 (AMYP_HUMAN)
Reaction : Endohydrolysis of (1->4)-alpha-D-glucosidic linkages in polysaccharides containing three or more (1->4)-alpha- linked D-glucose units.