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AMP deaminase 1 is an enzyme that in humans is encoded by the AMPD1 gene. [ 5 ] [ 6 ] Adenosine monophosphate deaminase is an enzyme that converts adenosine monophosphate (AMP) to inosine monophosphate (IMP), freeing an ammonia molecule in the process.
Adenosine monophosphate deaminase deficiency type 1 or AMPD1, is a human metabolic disorder in which the body consistently lacks the enzyme AMP deaminase, [1] in sufficient quantities. This may result in exercise intolerance, muscle pain and muscle cramping. The disease was formerly known as myoadenylate deaminase deficiency (MADD).
AMP deaminase deficiency (formally known as myoadenylate deaminase deficiency or MADD) is a metabolic myopathy which results in excessive AMP buildup brought on by exercise. AMP deaminase is needed to convert AMP into IMP in the purine nucleotide cycle.
Adenosine monophosphate (AMP), also known as 5'-adenylic acid, is a nucleotide. AMP consists of a phosphate group, the sugar ribose , and the nucleobase adenine . It is an ester of phosphoric acid and the nucleoside adenosine . [ 1 ]
Adenosine-phosphate deaminase is found in most, if not all organisms in all tissues, however, muscle tissue is the richest source. [6] The basic pathway of adenosine-phosphate deaminase is to replace a C-N bond of a 5'-AMP to replace the carboxyl group forming 5'-IMP. 5'-IMP is then catalyzed by Inosine-5'-monophosphate dehydrogenase (IMPDH) in guanine nucleotide biosynthesis.
AMP deaminase 3 is an enzyme that in humans is encoded by the AMPD3 gene. [5] [6]This gene encodes a member of the AMP deaminase gene family. The encoded protein is a highly regulated enzyme that catalyzes the hydrolytic deamination of adenosine monophosphate to inosine monophosphate, a branch point in the adenylate catabolic pathway.
Adenosine deaminase (also known as adenosine aminohydrolase, or ADA) is an enzyme (EC 3.5.4.4) involved in purine metabolism. It is needed for the breakdown of adenosine from food and for the turnover of nucleic acids in tissues. Its primary function in humans is the development and maintenance of the immune system. [5]
5-Aminoimidazole-4-carboxamide ribonucleotide (AICAR) is an intermediate in the generation of inosine monophosphate. AICAR is an analog of adenosine monophosphate (AMP) that is capable of stimulating AMP-dependent protein kinase (AMPK) activity. The drug has also been shown as a potential treatment for diabetes by increasing the metabolic ...