SMTL ID : 6ocn.1

Montbretin A analogue M06-MbA in complex with Human pancreatic alpha-amylase

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.15 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 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:N.459

1 x ZXY: N-(3-{[2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4-oxo-4H-1-benzopyran-3-yl]oxy}propyl)-1-[(2E)-3-(3,4-dihydroxyphenyl)prop-2-enoyl]-L-prolinamide(Non-covalent)

ZXY.2: 19 residues within 4Å: Chain A: W.58, W.59, Y.62, V.98, H.101, Y.151, L.162, T.163, L.165, R.195, D.197, A.198, K.200, H.201, E.233, I.235, N.298, H.299, D.300 23 PLIP interactions: 23 interactions with chain A Hydrophobic interactions: A:W.58, A:W.58, A:W.59, A:Y.62, A:L.162, A:L.165, A:I.235, A:D.300 Hydrogen bonds: A:H.101, A:Y.151, A:T.163, A:R.195, A:R.195, A:D.197, A:K.200, A:E.233, A:H.299 Water bridges: A:A.198, A:A.198, A:E.233, A:I.235, A:D.300 pi-Stacking: A:Y.62

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

CL.3: 6 residues within 4Å: Chain A: R.195, E.233, T.254, F.256, N.298, R.337 Ligand excluded by PLIP

1 x CA: CALCIUM ION(Non-covalent)

CA.4: 6 residues within 4Å: Chain A: N.100, N.137, R.158, D.167, H.201, M.202 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:R.158, A:D.167, A:H.201, H2O.5, H2O.10

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Tysoe, C.R. et al., Synthesis of montbretin A analogues yields potent competitive inhibitors of human pancreatic alpha-amylase. Chem Sci (2019)

Release Date

2020-02-12

Peptides

Pancreatic alpha-amylase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Pancreatic alpha-amylase

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