SMTL ID : 4fnu.1

Crystal structure of GH36 alpha-galactosidase AgaA A355E D478A from Geobacillus stearothermophilus in complex with stachyose

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.60 Å

Oligo State

homo-tetramer

Ligands

4 x GLA- GLA- GLC- FRU: beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose-(1-6)-alpha-D-galactopyranose-(1-6)-alpha-D-galactopyranose

GLA-GLA-GLC-FRU.1: 15 residues within 4Å: Chain A: W.199, W.336, Y.340, D.367, W.411, R.443, K.476, N.480, C.526, G.528, G.529, W.545, D.548 Chain D: D.53, A.55 3 PLIP interactions: 1 interactions with chain D, 2 interactions with chain A Hydrogen bonds: D:A.55, A:R.443, A:N.480, A:Y.340, A:Y.340 GLA-GLA-GLC-FRU.2: 16 residues within 4Å: Chain B: W.199, W.336, Y.340, D.366, D.367, W.411, R.443, K.476, N.480, C.526, G.528, G.529, W.545, D.548 Chain C: D.53, R.65 3 PLIP interactions: 2 interactions with chain C, 1 interactions with chain B Hydrogen bonds: C:D.53, C:R.65, B:Y.340 GLA-GLA-GLC-FRU.3: 16 residues within 4Å: Chain B: D.53, A.55 Chain C: W.199, W.336, Y.340, D.366, D.367, W.411, R.443, K.476, N.480, C.526, G.528, G.529, W.545, D.548 2 PLIP interactions: 1 interactions with chain B, 1 interactions with chain C Hydrogen bonds: B:A.55, C:D.548 GLA-GLA-GLC-FRU.4: 17 residues within 4Å: Chain A: D.53, A.55, R.65 Chain D: W.199, W.336, Y.340, D.366, D.367, W.411, R.443, K.476, N.480, C.526, G.528, G.529, W.545, D.548 4 PLIP interactions: 3 interactions with chain A, 1 interactions with chain D Hydrogen bonds: A:D.53, A:A.55, A:R.65, D:R.443

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Merceron, R. et al., The molecular mechanism of the thermostable alpha-galactosidases AgaA and AgaB explained by X-ray crystallography and mutational studies. J.Biol.Chem. (2012)

Release Date

2012-10-03

Peptides

Alpha-galactosidase AgaA: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

Alpha-galactosidase AgaA