SMTL ID : 1xcx.1

Acarbose Rearrangement Mechanism Implied by the Kinetic and Structural Analysis of Human Pancreatic alpha-Amylase in Complex with Analogues and Their Elongated Counterparts

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

monomer

Ligands

1 x BGC- 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-(1-6)-beta-D-glucopyranose(Post Translational Modification)

BGC-GLC-AC1.1: 19 residues within 4Å: Chain A: W.58, Y.62, H.101, Y.151, R.195, D.197, A.198, K.200, H.201, E.233, I.235, L.237, G.238, E.240, H.299, D.300, H.305, G.306, A.307 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:H.101, A:R.195, A:A.198, A:H.201, A:H.201, A:E.233, A:E.233, A:E.240, A:K.200, A:E.240 Water bridges: A:N.298, A:L.237, A:G.238

1 x CA: CALCIUM ION(Non-covalent)

CA.2: 4 residues within 4Å: Chain A: N.100, R.158, D.167, H.201 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:R.158, A:D.167, A:D.167, A:H.201, H2O.2

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

CL.3: 4 residues within 4Å: Chain A: R.195, T.254, N.298, R.337 Ligand excluded by PLIP

1 x NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG.4: 3 residues within 4Å: Chain A: N.459, G.460, N.461 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:G.460, A:N.461

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Li, C. et al., Acarbose Rearrangement Mechanism Implied by the Kinetic and Structural Analysis of Human Pancreatic alpha-Amylase in Complex with Analogues and Their Elongated Counterparts. Biochemistry (2005)

Release Date

2004-12-07

Peptides

Alpha-amylase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Alpha-amylase

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