SMTL ID : 1ukq.1 (1 other biounit)

Crystal structure of cyclodextrin glucanotransferase complexed with a pseudo-maltotetraose derived from acarbose

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

monomer

Ligands

1 x BGC- G6D: alpha-D-quinovopyranose-(1-4)-beta-D-glucopyranose(Non-covalent)

BGC-G6D.1: 8 residues within 4Å: Chain A: L.194, Y.195, H.233, E.257, W.258, F.259, D.328 Ligands: ACI.3 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Y.195, A:D.328, A:F.259 Hydrophobic interactions: A:L.194

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

GLC.2: 7 residues within 4Å: Chain A: H.98, Y.100, W.101, L.197, D.371, R.375 Ligands: ACI.3 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:H.98, A:D.371, A:R.375, A:R.375

1 x ACI: 6-AMINO-4-HYDROXYMETHYL-CYCLOHEX-4-ENE-1,2,3-TRIOL(Non-covalent)

ACI.3: 11 residues within 4Å: Chain A: Y.100, H.140, L.197, D.229, E.257, H.327, D.328, R.375 Ligands: BGC-G6D.1, BGC-G6D.1, GLC.2 9 PLIP interactions: 9 interactions with chain A Hydrophobic interactions: A:Y.100 Hydrogen bonds: A:H.140, A:D.229, A:E.257, A:D.328, A:D.328, A:R.375 Water bridges: A:Y.100, A:R.227

2 x CA: CALCIUM ION(Non-covalent)

CA.4: 6 residues within 4Å: Chain A: D.27, N.29, N.32, N.33, G.51, D.53 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.27, A:N.29, A:G.51, A:D.53, H2O.10 CA.5: 4 residues within 4Å: Chain A: N.139, I.190, D.199, H.233 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:I.190, A:D.199, A:H.233, H2O.10, H2O.13

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Haga, K. et al., Effects of Essential Carbohydrate/Aromatic Stacking Interaction with Tyr100 and Phe259 on Substrate Binding of Cyclodextrin Glycosyltransferase from Alkalophilic Bacillus sp. 1011. J.Biochem.(Tokyo) (2003)

Release Date

2004-02-24

Peptides

Cyclomaltodextrin glucanotransferase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Cyclomaltodextrin glucanotransferase

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