SMTL ID : 3l4z.1

Crystal complex of N-terminal Human Maltase-Glucoamylase with Salacinol

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

monomer

Ligands

2 x NAG- NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG-NAG.1: 4 residues within 4Å: Chain A: P.740, N.741, A.746, N.750 No protein-ligand interaction detected (PLIP) NAG-NAG.2: 8 residues within 4Å: Chain A: K.389, N.393, G.397, V.398, D.414, V.487, Q.488, H.489 No protein-ligand interaction detected (PLIP)

1 x SSD: 1,4-DIDEOXY-1,4-[[2R,3R)-2,4-DIHYDROXY-3-(SULFOXY)BUTYL]EPISULFONIUMYLIDENE]-D-ARABINITOL INNER SALT(Non-covalent)

SSD.3: 15 residues within 4Å: Chain A: D.203, Y.299, D.327, I.328, I.364, W.406, W.441, D.443, M.444, R.526, W.539, D.542, F.575, H.600 Ligands: GOL.6 12 PLIP interactions: 12 interactions with chain A Hydrogen bonds: A:D.203, A:D.443, A:R.526, A:R.526, A:H.600, A:H.600 Water bridges: A:Y.299, A:Y.299, A:D.542 Salt bridges: A:D.327, A:D.443, A:D.542

1 x NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG.4: 3 residues within 4Å: Chain A: N.207, G.208, N.209 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:N.207, A:G.208 Water bridges: A:N.209

4 x GOL: GLYCEROL(Non-functional Binders)

GOL.5: 8 residues within 4Å: Chain A: A.285, P.287, F.522, I.523, F.535, A.536, A.537, M.567 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:I.523, A:I.523 Water bridges: A:G.533, A:M.567 GOL.6: 2 residues within 4Å: Chain A: F.450 Ligands: SSD.3 No protein-ligand interaction detected (PLIP) GOL.7: 3 residues within 4Å: Chain A: H.645, V.779, A.780 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:H.645, A:A.780 GOL.8: 3 residues within 4Å: Chain A: R.624, H.625, N.628 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:N.628

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Sim, L. et al., New glucosidase inhibitors from an ayurvedic herbal treatment for type 2 diabetes: structures and inhibition of human intestinal maltase-glucoamylase with compounds from Salacia reticulata. Biochemistry (2010)

Release Date

2010-02-09

Peptides

Maltase-glucoamylase, intestinal: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Maltase-glucoamylase, intestinal

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