SMTL ID : 8ibk.1

Crystal structure of Bacillus sp. AHU2216 GH13_31 Alpha-glucosidase E256Q/N258G in complex with maltotriose

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.69 Å

Oligo State

monomer

Ligands

1 x GLC- GLC- GLC: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose

GLC-GLC-GLC.1: 19 residues within 4Å: Chain A: D.60, Y.63, H.103, I.143, F.144, F.163, Q.167, R.197, D.199, A.200, H.203, F.225, M.229, Q.256, F.282, H.326, D.327, R.411, R.415 11 PLIP interactions: 11 interactions with chain A Hydrogen bonds: A:D.60, A:H.103, A:Q.167, A:R.197, A:R.197, A:Q.256, A:Q.256, A:D.327, A:R.411, A:R.411, A:R.415

2 x CA: CALCIUM ION(Non-covalent)

CA.2: 5 residues within 4Å: Chain A: D.21, N.23, D.25, I.27, D.29 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.21, A:D.25, A:I.27, A:D.29, H2O.1 CA.3: 2 residues within 4Å: Chain A: E.537, T.543 5 PLIP interactions: 2 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:E.537, A:T.543, H2O.4, H2O.15, H2O.18

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Auiewiriyanukul, W. et al., Alteration of Substrate Specificity and Transglucosylation Activity of GH13_31 alpha-Glucosidase from Bacillus sp. AHU2216 through Site-Directed Mutagenesis of Asn258 on beta → alpha Loop 5. Molecules (2023)

Release Date

2023-05-03

Peptides

Alpha-glucosidase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Alpha-glucosidase