2azt

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Template:STRUCTURE 2azt

Contents

Crystal structure of H176N mutant of human Glycine N-Methyltransferase

Template:ABSTRACT PUBMED 17660255

Disease

[GNMT_HUMAN] Defects in GNMT are the cause of glycine N-methyltransferase deficiency (GNMT deficiency) [MIM:606664]; also known as hypermethioninemia. The only clinical abnormalities in patients with this deficiency are mild hepatomegaly and chronic elevation of serum transaminases.

Function

[GNMT_HUMAN] Catalyzes the methylation of glycine by using S-adenosylmethionine (AdoMet) to form N-methylglycine (sarcosine) with the concomitant production of S-adenosylhomocysteine (AdoHcy). Possible crucial role in the regulation of tissue concentration of AdoMet and of metabolism of methionine.[1][2]

About this Structure

2azt is a 2 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

  • Luka Z, Pakhomova S, Luka Y, Newcomer ME, Wagner C. Destabilization of human glycine N-methyltransferase by H176N mutation. Protein Sci. 2007 Sep;16(9):1957-64. Epub 2007 Jul 27. PMID:17660255 doi:10.1110/ps.072921507
  1. ↑ Pakhomova S, Luka Z, Grohmann S, Wagner C, Newcomer ME. Glycine N-methyltransferases: a comparison of the crystal structures and kinetic properties of recombinant human, mouse and rat enzymes. Proteins. 2004 Nov 1;57(2):331-7. PMID:15340920 doi:10.1002/prot.20209
  2. ↑ Luka Z, Pakhomova S, Luka Y, Newcomer ME, Wagner C. Destabilization of human glycine N-methyltransferase by H176N mutation. Protein Sci. 2007 Sep;16(9):1957-64. Epub 2007 Jul 27. PMID:17660255 doi:10.1110/ps.072921507

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