SMTL ID : 4w93.1

Human pancreatic alpha-amylase in complex with montbretin A

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.35 Å

Oligo State

monomer

Ligands

1 x CA: CALCIUM ION(Non-covalent)

CA.1: 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.7, H2O.7

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

CL.2: 5 residues within 4Å: Chain A: R.195, T.254, F.256, N.298, R.337 Ligand excluded by PLIP

1 x 3L9: Montbretin A(Non-covalent)

3L9.3: 17 residues within 4Å: Chain A: W.58, W.59, Y.62, H.101, Y.151, L.162, T.163, L.165, R.195, D.197, K.200, H.201, E.233, I.235, E.240, H.299, D.300 25 PLIP interactions: 25 interactions with chain A Hydrophobic interactions: A:W.58, A:W.58, A:W.59, A:Y.62, A:L.162, A:L.162, A:L.165, A:D.300 Hydrogen bonds: A:Y.62, A:T.163, A:T.163, A:R.195, A:R.195, A:K.200, A:K.200, A:H.201, A:E.233 Water bridges: A:Y.151, A:A.198, A:I.235, A:I.235, A:L.237, A:G.238, A:D.300 pi-Stacking: A:Y.62

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Williams, L.K. et al., The amylase inhibitor montbretin A reveals a new glycosidase inhibition motif. Nat.Chem.Biol. (2015)

Release Date

2015-07-15

Peptides

Pancreatic alpha-amylase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Pancreatic alpha-amylase

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