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229665 Ensembl ENSG00000116748 ENSMUSG00000070385 UniProt P23109 Q3V1D3 RefSeq (mRNA) NM_001172626 NM_000036 NM_001033303 RefSeq (protein) NP_000027 NP_001166097 NP_001028475 Location (UCSC) Chr 1: 114.67 – 114.7 Mb Chr 3: 102.98 – 103.01 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse AMP deaminase 1 is an enzyme that in humans is encoded by the AMPD1 gene. Adenosine ...
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-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.
(With the exception of AMP deaminase deficiency, where ammonia is produced during exercise when adenosine, from AMP, is converted into inosine). During rest (ADP<ATP), ammonia is produced from the conversion of adenosine into inosine by adenosine deaminase. AMP + H 2 O + H + → IMP + NH 3 (catalyzed by AMP deaminase in skeletal muscle)
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).
ADP + H 2 O → AMP + P i. AMP can also be formed by hydrolysis of ATP into AMP and pyrophosphate: ATP + H 2 O → AMP + PP i. When RNA is broken down by living systems, nucleoside monophosphates, including adenosine monophosphate, are formed. AMP can be regenerated to ATP as follows: AMP + ATP → 2 ADP (adenylate kinase in the opposite direction)
AMP deaminase 2 is an enzyme that in humans is encoded by the AMPD2 gene. [ 5 ] [ 6 ] High AMPD2 expression levels correlate with poor patient outcome and a proliferative tumor phenotype in undifferentiated pleomorphic sarcoma (UPS).
Adenylylation, [1] [2] more commonly known as AMPylation, is a process in which an adenosine monophosphate (AMP) molecule is covalently attached to the amino acid side chain of a protein. [3] This covalent addition of AMP to a hydroxyl side chain of the protein is a post-translational modification . [ 4 ]