SMTL ID : 1ose.1

Porcine pancreatic alpha-amylase complexed with acarbose

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

monomer

Ligands

1 x BGC- AC1- GLC- AC1: 4,6-dideoxy-4-{[(1S,4R,5S,6S)-4,5,6-trihydroxy-3-(hydroxymethyl)cyclohex-2-en-1-yl]amino}-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-4,6-dideoxy-4-{[(1S,4R,5S,6S)-4,5,6-trihydroxy-3-(hydroxymethyl)cyclohex-2-en-1-yl]amino}-alpha-D-glucopyranose-(1-4)-beta-D-glucopyranose

BGC-AC1-GLC-AC1.1: 25 residues within 4Å: Chain A: W.58, W.59, Y.62, Q.63, H.101, G.104, S.105, G.106, Y.151, L.162, V.163, G.164, L.165, R.195, D.197, A.198, K.200, H.201, E.233, I.235, E.240, H.299, D.300, H.305, G.306 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:L.165 Hydrogen bonds: A:S.105, A:S.105, A:G.106, A:K.200, A:K.200, A:K.200, A:G.306, A:Q.63, A:H.305 Water bridges: A:Q.63, A:A.107, A:Q.161

1 x BGC: beta-D-glucopyranose(Non-covalent)

BGC.2: 4 residues within 4Å: Chain A: E.272, Y.276, N.279, W.284 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:E.272, A:E.272, A:N.279, A:N.279 Water bridges: A:K.261, A:Y.276

1 x CL: CHLORIDE ION(Non-functional Binders)

CL.3: 4 residues within 4Å: Chain A: R.195, T.254, N.298, R.337 Ligand excluded by PLIP

1 x CA: CALCIUM ION(Non-covalent)

CA.4: 4 residues within 4Å: Chain A: N.100, R.158, D.167, H.201 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:R.158, A:D.167, A:H.201, H2O.1, H2O.2

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Gilles, C. et al., Crystal structure of pig pancreatic alpha-amylase isoenzyme II, in complex with the carbohydrate inhibitor acarbose. Eur.J.Biochem. (1996)

Release Date

1997-04-01

Peptides

PORCINE ALPHA-AMYLASE: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

PORCINE ALPHA-AMYLASE