1hyk

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Template:STRUCTURE 1hyk

Contents

AGOUTI-RELATED PROTEIN (87-132) (AC-AGRP(87-132))

Template:ABSTRACT PUBMED 10371151

Disease

[AGRP_HUMAN] Genetic variations in AGRP may be a cause of obesity (OBESITY) [MIM:601665]. It is a condition characterized by an increase of body weight beyond the limitation of skeletal and physical requirements, as the result of excessive accumulation of body fat.[1]

Function

[AGRP_HUMAN] Plays a role in weight homeostasis. Involved in the control of feeding behavior through the central melanocortin system. Acts as alpha melanocyte-stimulating hormone antagonist by inhibiting cAMP production mediated by stimulation of melanocortin receptors within the hypothalamus and adrenal gland. Has very low activity with MC5R (By similarity). Is an inverse agonist for MC3R and MC4R being able to suppress their constitutive activity. It promotes MC3R and MC4R endocytosis in an arrestin-dependent manner.[2][3][4][5][6]

About this Structure

1hyk is a 1 chain structure. This structure supersedes the now removed PDB entry 1qu8. Full experimental information is available from OCA.

Reference

  • Bolin KA, Anderson DJ, Trulson JA, Thompson DA, Wilken J, Kent SB, Gantz I, Millhauser GL. NMR structure of a minimized human agouti related protein prepared by total chemical synthesis. FEBS Lett. 1999 May 21;451(2):125-31. PMID:10371151
  1. ↑ Argyropoulos G, Rankinen T, Neufeld DR, Rice T, Province MA, Leon AS, Skinner JS, Wilmore JH, Rao DC, Bouchard C. A polymorphism in the human agouti-related protein is associated with late-onset obesity. J Clin Endocrinol Metab. 2002 Sep;87(9):4198-202. PMID:12213871
  2. ↑ Yang YK, Thompson DA, Dickinson CJ, Wilken J, Barsh GS, Kent SB, Gantz I. Characterization of Agouti-related protein binding to melanocortin receptors. Mol Endocrinol. 1999 Jan;13(1):148-55. PMID:9892020
  3. ↑ Nijenhuis WA, Oosterom J, Adan RA. AgRP(83-132) acts as an inverse agonist on the human-melanocortin-4 receptor. Mol Endocrinol. 2001 Jan;15(1):164-71. PMID:11145747
  4. ↑ Breit A, Wolff K, Kalwa H, Jarry H, Buch T, Gudermann T. The natural inverse agonist agouti-related protein induces arrestin-mediated endocytosis of melanocortin-3 and -4 receptors. J Biol Chem. 2006 Dec 8;281(49):37447-56. Epub 2006 Oct 14. PMID:17041250 doi:10.1074/jbc.M605982200
  5. ↑ Bolin KA, Anderson DJ, Trulson JA, Thompson DA, Wilken J, Kent SB, Gantz I, Millhauser GL. NMR structure of a minimized human agouti related protein prepared by total chemical synthesis. FEBS Lett. 1999 May 21;451(2):125-31. PMID:10371151
  6. ↑ de Rijke CE, Jackson PJ, Garner KM, van Rozen RJ, Douglas NR, Kas MJ, Millhauser GL, Adan RA. Functional analysis of the Ala67Thr polymorphism in agouti related protein associated with anorexia nervosa and leanness. Biochem Pharmacol. 2005 Jul 15;70(2):308-16. PMID:15927146 doi:10.1016/j.bcp.2005.04.033

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