SMTL ID : 2d2o.1

Structure of a complex of Thermoactinomyces vulgaris R-47 alpha-amylase 2 with maltohexaose demonstrates the important role of aromatic residues at the reducing end of the substrate binding cleft

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

homo-dimer

Ligands

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

GLC-GLC-GLC-GLC-GLC-GLC.1: 20 residues within 4Å: Chain A: H.164, H.202, Y.204, H.244, F.286, V.290, M.293, R.323, N.325, V.326, E.354, W.356, E.378, H.420, D.421, D.465, R.469 Chain B: R.44, Y.45, Q.112 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:D.465 Water bridges: A:H.164, A:D.465, A:D.465 GLC-GLC-GLC-GLC-GLC-GLC.2: 20 residues within 4Å: Chain A: R.44, Y.45, Q.112 Chain B: H.164, H.202, Y.204, H.244, F.286, V.290, M.293, R.323, N.325, V.326, E.354, W.356, E.378, H.420, D.421, D.465, R.469 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:H.164, B:D.465 Water bridges: B:D.465, B:D.465

2 x CA: CALCIUM ION(Non-covalent)

CA.3: 6 residues within 4Å: Chain A: N.143, D.145, N.148, D.149, G.169, D.171 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.145, A:D.149, A:G.169, A:D.171, H2O.9 CA.4: 6 residues within 4Å: Chain B: N.143, D.145, N.148, D.149, G.169, D.171 5 PLIP interactions: 4 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:D.145, B:D.149, B:G.169, B:D.171, H2O.23

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ohtaki, A. et al., Structure of a complex of Thermoactinomyces vulgaris R-47 alpha-amylase 2 with maltohexaose demonstrates the important role of aromatic residues at the reducing end of the substrate binding cleft. Carbohydr.Res. (2006)

Release Date

2006-08-29

Peptides

Neopullulanase 2: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Neopullulanase 2

Related Entries With Identical Sequence