SMTL ID : 6obx.1

Montbretin A analogue M10-MbA in complex with Human pancreatic alpha-amylase

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.30 Å

Oligo State

monomer

Ligands

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

CL.1: 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.2: 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.9

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

ZXU.3: 24 residues within 4Å: Chain A: W.58, W.59, Y.62, Q.63, V.98, H.101, G.104, Y.151, L.162, T.163, G.164, L.165, R.195, D.197, A.198, K.200, H.201, E.233, I.235, N.298, H.299, D.300, H.305 Ligands: MPD.4 25 PLIP interactions: 25 interactions with chain A Hydrophobic interactions: A:W.58, A:W.58, A:W.59, A:W.59, A:Y.62, A:L.162, A:L.162, A:L.165, A:I.235, A:D.300 Hydrogen bonds: A:H.101, A:Y.151, A:Y.151, A:T.163, A:R.195, A:R.195, A:D.197, A:D.197, A:H.299 Water bridges: A:W.59, A:A.198, A:E.233, A:D.300 pi-Stacking: A:W.59, A:Y.62

1 x MPD: (4S)-2-METHYL-2,4-PENTANEDIOL(Non-functional Binders)

MPD.4: 10 residues within 4Å: Chain A: W.59, Q.63, G.104, N.105, A.106, V.107, T.163, G.164, L.165 Ligands: ZXU.3 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:A.106, A:V.107 Hydrogen bonds: A:A.106, A:V.107

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

NAG.5: 3 residues within 4Å: Chain A: N.459, G.460, N.461 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:N.459, A:N.459

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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