SMTL ID : 3poc.1

The crystal structure of the D307A mutant of alpha-Glucosidase (FAMILY 31) from Ruminococcus obeum ATCC 29174 in complex with acarbose

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.99 Å

Oligo State

homo-dimer

Ligands

1 x GLC- GLC- AC1: 4,6-dideoxy-4-{[(1S,4R,5S,6S)-4,5,6-trihydroxy-3-(hydroxymethyl)cyclohex-2-en-1-yl]amino}-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose(Non-covalent)

GLC-GLC-AC1.1: 6 residues within 4Å: Chain B: E.399, K.653, D.654, Y.655, D.656, K.657 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:E.399, B:K.653 Water bridges: B:R.156

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

GLC.2: 3 residues within 4Å: Chain A: W.274, F.317 Chain B: W.344 No protein-ligand interaction detected (PLIP)

2 x AC1: 4,6-dideoxy-4-{[(1S,4R,5S,6S)-4,5,6-trihydroxy-3-(hydroxymethyl)cyclohex-2-en-1-yl]amino}-alpha-D-glucopyranose(Non-covalent)

AC1.3: 12 residues within 4Å: Chain A: W.172, D.200, I.201, I.237, W.274, W.308, M.311, R.407, W.420, D.423, F.456, H.481 7 PLIP interactions: 7 interactions with chain A Hydrophobic interactions: A:W.274 Hydrogen bonds: A:R.407, A:D.423, A:H.481, A:H.481 Water bridges: A:D.423, A:D.423 AC1.5: 12 residues within 4Å: Chain B: W.172, D.200, I.201, I.237, W.274, W.308, M.311, R.407, W.420, D.423, F.456, H.481 6 PLIP interactions: 6 interactions with chain B Hydrophobic interactions: B:W.274 Hydrogen bonds: B:R.407, B:R.407, B:D.423, B:H.481, B:H.481

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.4: 5 residues within 4Å: Chain A: R.188, Q.230, E.623, C.624, D.627 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:E.623 Water bridges: A:E.623

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Tan, K. et al., The crystal structure of the D307A mutant of alpha-Glucosidase (FAMILY 31) from Ruminococcus obeum ATCC 29174 in complex with acarbose. To be Published

Release Date

2011-01-26

Peptides

alpha-Glucosidase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

alpha-Glucosidase

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