ISDA

Deposition Date 2023-08-30

Release Date 2024-03-20

Last Version Date 2024-04-10

Entry Detail

PDB ID:

8QE0

Keywords:

TRANSFERASE

Title:

Crystal structure of human MAT2a bound to S-Adenosylmethionine and Compound 12

Biological Source:

Source Organism:

Homo sapiens (Taxon ID: 9606)

Host Organism:

Escherichia coli

Method Details:

Experimental Method:

X-RAY DIFFRACTION

Resolution:

1.12 Å

R-Value Free:

0.18

R-Value Work:

0.17

R-Value Observed:

0.17

Space Group:

I 2 2 2

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Macromolecular Entities

Protein Blast

Polymer Type:polypeptide(L)
Molecule:S-adenosylmethionine synthase isoform type-2
Gene (Uniprot):MAT2A
Chain IDs:A
Chain Length:397
Number of Molecules:1
Biological Source:Homo sapiens

UniProt ID:P31153 Pfam ID:PF00438, PF02772, PF02773 EC:2.5.1.6

Primary Citation

Development of a Series of Pyrrolopyridone MAT2A Inhibitors.

Atkinson, S.J, Bagal, S.K, Argyrou, A, Askin, S, Cheung, T, Chiarparin, E, Coen, M, Collie, I.T, Dale, I.L, De Fusco, C, Dillman, K, Evans, L, Feron, L.J, Foster, A.J, Grondine, M, Kantae, V, Lamont, G.M, Lamont, S, Lynch, J.T, Nilsson Lill, S, Robb, G.R, Saeh, J, Schimpl, M, Scott, J.S, Smith, J, Srinivasan, B, Tentarelli, S, Vazquez-Chantada, M, Wagner, D, Walsh, J.J, Watson, D, Williamson, B.Show

J.Med.Chem. 67 4541 4559 (2024)

PMID: 38466661 DOI: 10.1021/acs.jmedchem.3c01860

Abstact

The optimization of an allosteric fragment, discovered by differential scanning fluorimetry, to an in vivo MAT2a tool inhibitor is discussed. The structure-based drug discovery approach, aided by relative binding free energy calculations, resulted in AZ'9567 (21), a potent inhibitor in vitro with excellent preclinical pharmacokinetic properties. This tool showed a selective antiproliferative effect on methylthioadenosine phosphorylase (MTAP) KO cells, both in vitro and in vivo, providing further evidence to support the utility of MAT2a inhibitors as potential anticancer therapies for MTAP-deficient tumors.

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Primary Citation of related structures