Characterization of Agouti-Related Protein Binding to Melanocortin Receptors
نویسندگان
چکیده
منابع مشابه
Characterization of Agouti-related protein binding to melanocortin receptors.
Agouti-related protein (AGRP) is a naturally occurring antagonist of melanocortin action that is thought to play an important role in the hypothalamic control of feeding behavior. The exact mechanism of AGRP and Agouti protein action has been difficult to examine, in part because of difficulties in producing homogeneous forms of these molecules that can be used for direct binding assays. In thi...
متن کاملContribution of melanocortin receptor exoloops to Agouti-related protein binding.
Agouti-related protein (AGRP) is an endogenous antagonist of melanocortin action that functions in the hypothalamic control of feeding behavior. Although previous studies have shown that AGRP binds three of the five known subtypes of melanocortin receptor, the receptor domains participating in binding and the molecular interactions involved are presently unknown. The present studies were design...
متن کاملMolecular determination of agouti-related protein binding to human melanocortin-4 receptor.
Agouti-related protein (AGRP) is an endogenous antagonist of the melanocortin-4 receptor (MC4R) that functions in the hypothalamic control of feeding behavior. Our previous studies have suggested that in addition to exoloops 2 and 3, several transmembrane domains of MC4R may be important for AGRP binding. However, the detailed molecular basis of MC4R domains in AGRP binding is presently unclear...
متن کاملThe natural inverse agonist agouti-related protein induces arrestin-mediated endocytosis of melanocortin-3 and -4 receptors.
Agouti-related protein (Agrp), one of the two naturally occurring inverse agonists known to inhibit G protein-coupled receptor activity, regulates energy expenditure by decreasing basal and blocking agonist-promoted melanocortin receptor (MCR) signaling. Here we report that, in addition to its inverse agonistic activities, Agrp exhibits agonistic properties on the endocytosis pathway of melanoc...
متن کاملHigh-resolution NMR structure of the chemically-synthesized melanocortin receptor binding domain AGRP(87-132) of the agouti-related protein.
The agouti-related protein (AGRP) is an endogenous antagonist of the melanocortin receptors MC3R and MC4R found in the hypothalamus and exhibits potent orexigenic (appetite-stimulating) activity. The cysteine-rich C-terminal domain of this protein, corresponding to AGRP(87-132), contains five disulfide bonds and exhibits receptor binding affinity and antagonism equivalent to that of the full-le...
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ژورنال
عنوان ژورنال: Molecular Endocrinology
سال: 1999
ISSN: 0888-8809,1944-9917
DOI: 10.1210/mend.13.1.0223