SMTL ID : 2zid.1

Crystal structure of dextran glucosidase E236Q complex with isomaltotriose

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

monomer

Ligands

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

GLC-GLC-GLC.1: 17 residues within 4Å: Chain A: D.60, Y.63, H.103, I.138, F.139, F.158, Q.162, R.192, D.194, V.195, Q.236, W.238, K.275, H.312, D.313, E.371, R.398 11 PLIP interactions: 11 interactions with chain A Hydrogen bonds: A:D.60, A:D.60, A:H.103, A:R.192, A:R.192, A:Q.236, A:Q.236, A:D.313, A:R.398, A:R.398 Water bridges: A:R.402

3 x CA: CALCIUM ION(Non-covalent)

CA.2: 2 residues within 4Å: Chain A: D.148, D.151 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:D.148, A:D.151 CA.3: 1 residues within 4Å: Chain A: T.417 5 PLIP interactions: 1 interactions with chain A, 4 Ligand-Water interactions Metal complexes: A:T.417, H2O.8, H2O.11, H2O.11, H2O.11 CA.4: 5 residues within 4Å: Chain A: D.21, N.23, D.25, I.27, D.29 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:D.21, A:D.25, A:I.27, A:D.29

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Hondoh, H. et al., Substrate recognition mechanism of alpha-1,6-glucosidic linkage hydrolyzing enzyme, dextran glucosidase from Streptococcus mutans. J.Mol.Biol. (2008)

Release Date

2008-06-24

Peptides

Dextran glucosidase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Dextran glucosidase