SMTL ID : 1kxh.1

Crystal structure of the complex between an inactive mutant of psychrophilic alpha-amylase (D174N) and acarbose

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

monomer

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: 15 residues within 4Å: Chain A: W.46, W.47, Y.50, Q.51, H.89, A.92, V.140, G.141, L.142, N.174, A.175, E.200, I.202, D.264, H.269 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:A.92 Hydrogen bonds: A:W.47, A:Q.51, A:D.264, A:D.264 Water bridges: A:G.93

1 x CA: CALCIUM ION(Non-covalent)

CA.2: 4 residues within 4Å: Chain A: N.88, Q.135, D.144, H.178 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:Q.135, A:D.144, A:H.178, H2O.4, H2O.4

1 x CL: CHLORIDE ION(Non-functional Binders)

CL.3: 4 residues within 4Å: Chain A: R.172, T.221, N.262, K.300 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Aghajari, N. et al., Crystallographic evidence of a transglycosylation reaction: ternary complexes of a psychrophilic alpha-amylase. Biochemistry

Release Date

2002-06-19

Peptides

alpha-amylase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

alpha-amylase