2nmt

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2nmt, resolution 2.90Å

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MYRISTOYL-COA:PROTEIN N-MYRISTOYLTRANSFERASE BOUND TO MYRISTOYL-COA AND PEPTIDE ANALOGS

Overview

N-myristoyltransferase (Nmt) attaches myristate to the N-terminal glycine, of many important eukaryotic and viral proteins. It is a target for, anti-fungal and anti-viral therapy. We have determined the structure, to, 2.9 A resolution, of a ternary complex of Saccharomyces cerevisiae Nmt1p, with bound myristoylCoA and peptide substrate analogs. The model reveals, structural features that define the enzyme's substrate specificities and, regulate the ordered binding and release of substrates and products. A, novel catalytic mechanism is proposed involving deprotonation of the, N-terminal ammonium of a peptide substrate by the enzyme's C-terminal, backbone carboxylate.

About this Structure

2NMT is a Single protein structure of sequence from Saccharomyces cerevisiae with NHM, MIM and GOL as ligands. Active as Glycylpeptide N-tetradecanoyltransferase, with EC number 2.3.1.97 Full crystallographic information is available from OCA.

Reference

Structure of N-myristoyltransferase with bound myristoylCoA and peptide substrate analogs., Bhatnagar RS, Futterer K, Farazi TA, Korolev S, Murray CL, Jackson-Machelski E, Gokel GW, Gordon JI, Waksman G, Nat Struct Biol. 1998 Dec;5(12):1091-7. PMID:9846880

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