SMTL ID : 1u33.1

In situ extension as an approach for identifying novel alpha-amylase inhibitors

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.95 Å

Oligo State

monomer

Ligands

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

NAG.1: 3 residues within 4Å: Chain A: N.459, G.460, N.461 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:N.459, A:N.461, A:N.461

1 x LM2: 4'-O-METHYL-MALTOSYL-ALPHA (1,4)-(Z, 3S,4S,5R,6R)-3,4,5-TRIHYDROXY-6-HYDROXYMETHYL-PIPERIDIN-2-ONE(Non-covalent)

LM2.2: 16 residues within 4Å: Chain A: W.58, W.59, Y.62, Q.63, H.101, G.104, L.162, T.163, L.165, R.195, D.197, A.198, E.233, H.299, D.300, H.305 14 PLIP interactions: 14 interactions with chain A Hydrogen bonds: A:Q.63, A:H.101, A:R.195, A:R.195, A:A.198, A:E.233, A:E.233, A:H.299, A:D.300, A:H.305 Water bridges: A:G.104, A:G.164, A:K.200, A:N.298

1 x CA: CALCIUM ION(Non-covalent)

CA.3: 4 residues within 4Å: Chain A: N.100, R.158, D.167, H.201 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:R.158, A:D.167, A:H.201, H2O.2, H2O.5

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

CL.4: 6 residues within 4Å: Chain A: R.195, E.233, T.254, F.256, N.298, R.337 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Numao, S. et al., In Situ Extension as an Approach for Identifying Novel alpha-Amylase Inhibitors. J.Biol.Chem. (2004)

Release Date

2004-09-07

Peptides

Alpha-amylase, pancreatic: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Alpha-amylase, pancreatic

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