SMTL ID : 3axh.1

Crystal structure of isomaltase in complex with isomaltose

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

monomer

Ligands

1 x GLC- GLC: alpha-D-glucopyranose-(1-6)-alpha-D-glucopyranose(Non-covalent)

GLC-GLC.1: 17 residues within 4Å: Chain A: D.69, Y.72, H.112, F.159, F.178, Q.182, R.213, D.215, V.216, Q.279, F.303, R.315, H.351, D.352, E.411, R.442, R.446 9 PLIP interactions: 9 interactions with chain A Hydrogen bonds: A:D.69, A:H.112, A:R.213, A:R.213, A:D.215, A:D.352, A:R.442, A:R.442, A:R.446

1 x CA: CALCIUM ION(Non-covalent)

CA.2: 5 residues within 4Å: Chain A: D.30, N.32, D.34, W.36, D.38 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.30, A:D.34, A:W.36, A:D.38, H2O.10

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Yamamoto, K. et al., Steric hindrance by 2 amino acid residues determines the substrate specificity of isomaltase from Saccharomyces cerevisiae. J.Biosci.Bioeng. (2011)

Release Date

2011-10-05

Peptides

Oligo-1,6-glucosidase IMA1: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Oligo-1,6-glucosidase IMA1

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