SMTL ID : 3wy4.1 (1 other biounit)

Crystal structure of alpha-glucosidase mutant E271Q in complex with maltose

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.50 Å

Oligo State

monomer

Ligands

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

GLC-GLC.1: 19 residues within 4Å: Chain A: D.62, Y.65, H.105, I.146, F.147, F.166, R.200, D.202, T.203, F.206, G.228, Q.271, G.273, F.297, H.332, D.333, Y.389, R.400 Ligands: GOL.5 11 PLIP interactions: 11 interactions with chain A Hydrogen bonds: A:D.62, A:H.105, A:Q.170, A:R.200, A:R.200, A:Q.271, A:Q.271, A:H.332, A:R.400, A:R.400 Water bridges: A:R.404

1 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 6 residues within 4Å: Chain A: D.23, R.25, D.27, V.29, G.30, D.31 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.23, A:D.27, A:V.29, A:D.31, H2O.2

3 x GOL: GLYCEROL(Non-functional Binders)

GOL.3: 12 residues within 4Å: Chain A: S.104, V.129, L.163, N.165, D.172, V.173, F.175, F.206, Y.207, F.208, H.209, D.243 7 PLIP interactions: 7 interactions with chain A Hydrogen bonds: A:S.104, A:N.165, A:V.173, A:V.173, A:D.243 Water bridges: A:F.175, A:F.175 GOL.4: 8 residues within 4Å: Chain A: E.377, A.378, V.380, K.398, G.399, R.400, D.401, G.402 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:V.380, A:V.380, A:K.398, A:D.401, A:G.402 Water bridges: A:C.403 GOL.5: 9 residues within 4Å: Chain A: L.227, G.228, A.229, P.230, F.297, D.333, V.334, F.397 Ligands: GLC-GLC.1 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:L.300

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Shen, X. et al., Structural analysis of the alpha-glucosidase HaG provides new insights into substrate specificity and catalytic mechanism. Acta Crystallogr. D Biol. Crystallogr. (2015)

Release Date

2015-06-10

Peptides

Alpha-glucosidase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Alpha-glucosidase

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