4jdw

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Template:STRUCTURE 4jdw

Contents

CRYSTAL STRUCTURE AND MECHANISM OF L-ARGININE: GLYCINE AMIDINOTRANSFERASE: A MITOCHONDRIAL ENZYME INVOLVED IN CREATINE BIOSYNTHESIS

Template:ABSTRACT PUBMED 9218780

Disease

[GATM_HUMAN] Defects in GATM are the cause of arginine:glycine amidinotransferase deficiency (AGAT deficiency) [MIM:612718]. AGAT deficiency is an autosomal recessive disorder characterized by developmental delay/regression, mental retardation, severe disturbance of expressive and cognitive speech, and severe depletion of creatine/phosphocreatine in the brain.

Function

[GATM_HUMAN] Catalyzes the biosynthesis of guanidinoacetate, the immediate precursor of creatine. Creatine plays a vital role in energy metabolism in muscle tissues. May play a role in embryonic and central nervous system development. May be involved in the response to heart failure by elevating local creatine synthesis.[1][2][3]

About this Structure

4jdw is a 1 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

  • Humm A, Fritsche E, Steinbacher S, Huber R. Crystal structure and mechanism of human L-arginine:glycine amidinotransferase: a mitochondrial enzyme involved in creatine biosynthesis. EMBO J. 1997 Jun 16;16(12):3373-85. PMID:9218780 doi:10.1093/emboj/16.12.3373
  1. ↑ Cullen ME, Yuen AH, Felkin LE, Smolenski RT, Hall JL, Grindle S, Miller LW, Birks EJ, Yacoub MH, Barton PJ. Myocardial expression of the arginine:glycine amidinotransferase gene is elevated in heart failure and normalized after recovery: potential implications for local creatine synthesis. Circulation. 2006 Jul 4;114(1 Suppl):I16-20. PMID:16820567 doi:10.1161/CIRCULATIONAHA.105.000448
  2. ↑ McMinn J, Wei M, Schupf N, Cusmai J, Johnson EB, Smith AC, Weksberg R, Thaker HM, Tycko B. Unbalanced placental expression of imprinted genes in human intrauterine growth restriction. Placenta. 2006 Jun-Jul;27(6-7):540-9. Epub 2005 Aug 24. PMID:16125225 doi:10.1016/j.placenta.2005.07.004
  3. ↑ Monk D, Arnaud P, Apostolidou S, Hills FA, Kelsey G, Stanier P, Feil R, Moore GE. Limited evolutionary conservation of imprinting in the human placenta. Proc Natl Acad Sci U S A. 2006 Apr 25;103(17):6623-8. Epub 2006 Apr 13. PMID:16614068 doi:10.1073/pnas.0511031103

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