ISDA: 6OBX

Deposition Date 2019-03-21

Release Date 2020-02-12

Last Version Date 2024-10-23

Entry Detail

PDB ID:

6OBX

Keywords:

HYDROLASE

Title:

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

Biological Source:

Source Organism:

Homo sapiens (Taxon ID: 9606)

Host Organism:

Komagataella pastoris

Method Details:

Experimental Method:

X-RAY DIFFRACTION

Resolution:

1.30 Å

R-Value Free:

0.12

R-Value Work:

0.09

R-Value Observed:

0.09

Space Group:

P 21 21 21

Download Validation Report

Macromolecular Entities

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:Pancreatic alpha-amylase
Gene (Uniprot):AMY2A
Chain IDs:A
Chain Length:496
Number of Molecules:1
Biological Source:Homo sapiens

UniProt ID:P04746 Pfam ID:PF00128, PF02806 EC:3.2.1.1

Ligand Molecules

MPD

NAG

ZXU

Primary Citation

Synthesis of montbretin A analogues yields potent competitive inhibitors of human pancreatic alpha-amylase.

Tysoe, C.R, Caner, S, Calvert, M.B, Win-Mason, A, Brayer, G.D, Withers, S.G.Show

Chem Sci 10 11073 11077 (2019)

PMID: 32206255 DOI: 10.1039/c9sc02610j

Abstact

Simplified analogues of the potent human amylase inhibitor montbretin A were synthesised and shown to bind tightly, K I = 60 and 70 nM, with improved specificity over medically relevant glycosidases, making them promising candidates for controlling blood glucose. Crystallographic analysis confirmed similar binding modes and identified new active site interactions.

Legend

Protein

Chemical

Disease

Primary Citation of related structures