SMTL ID : 4gqq.1

Human pancreatic alpha-amylase with bound ethyl caffeate

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.35 Å

Oligo State

monomer

Ligands

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

NAG.1: 4 residues within 4Å: Chain A: G.460, N.461, K.466, L.496 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:G.460 Water bridges: A:T.448

3 x 0XR: ethyl (2E)-3-(3,4-dihydroxyphenyl)prop-2-enoate(Non-covalent)

0XR.2: 9 residues within 4Å: Chain A: D.236, S.244, S.245, E.255, K.257, G.285, F.286, V.287, P.288 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:V.287 Hydrogen bonds: A:D.236, A:K.257, A:G.285 Water bridges: A:S.244 0XR.3: 8 residues within 4Å: Chain A: R.20, D.23, L.26, E.369, V.370, T.371, I.372 Ligands: 0XR.4 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:R.20, A:D.23, A:I.372 0XR.4: 6 residues within 4Å: Chain A: V.22, L.26, D.77, N.81, R.85 Ligands: 0XR.3 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:N.81 Hydrogen bonds: A:D.77 Salt bridges: A:R.85

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

CL.5: 4 residues within 4Å: Chain A: R.195, E.233, T.254, R.337 Ligand excluded by PLIP

1 x CA: CALCIUM ION(Non-covalent)

CA.6: 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.3, H2O.4

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Williams, L.K. et al., Order and disorder: differential structural impacts of myricetin and ethyl caffeate on human amylase, an antidiabetic target. J.Med.Chem. (2012)

Release Date

2012-10-24

Peptides

Pancreatic alpha-amylase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Pancreatic alpha-amylase

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