SMTL ID : 1xd1.1

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 2.20 Å

Oligo State

monomer

Ligands

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

NAG.1: 2 residues within 4Å: Chain A: G.460, N.461 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:G.460, A:N.461

1 x 6SA: ACARBOSE DERIVED HEXASACCHARIDE(Non-covalent)

6SA.2: 23 residues within 4Å: Chain A: W.58, W.59, Y.62, Q.63, H.101, G.104, Y.151, L.162, T.163, R.195, D.197, A.198, K.200, H.201, E.233, I.235, L.237, E.240, H.299, D.300, H.305, G.306, A.307 14 PLIP interactions: 14 interactions with chain A Hydrogen bonds: A:Q.63, A:H.101, A:R.195, A:A.198, A:K.200, A:H.201, A:E.233, A:E.233, A:E.240, A:H.299, A:D.300 Water bridges: A:E.233, A:I.235 Salt bridges: A:K.200

1 x CA: CALCIUM ION(Non-covalent)

CA.3: 4 residues within 4Å: Chain A: N.100, R.158, D.167, H.201 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:R.158, A:D.167, A:D.167, A:H.201

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

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

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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