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One example of this is a study conducted by D. Fattori looking at the regioselectivity of the Demjanov rearrangement in one-carbon enlargements of naked sugars. It showed that when an exo methylamine underwent Demjanov nitrous acid deamination, ring enlargement was not produced.
Deamination is the removal of an amino group from a molecule. [1] Enzymes that catalyse this reaction are called deaminases. In the human body, deamination takes place primarily in the liver; however, it can also occur in the kidney. In situations of excess protein intake, deamination is used to break down amino acids for energy.
In general, deamidation can be eliminated by proteolysis at an acidic pH or at a slightly basic pH (4.5 and 8.0, respectively) using the endoprotease, Glu-C. [2] The rates of deamidation depend on multiple factors, including the primary sequences and higher-order structures of the proteins, pH, temperature, and components in the solutions.
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 ...
11628 Ensembl ENSG00000111732 ENSMUSG00000040627 UniProt Q9GZX7 Q9WVE0 RefSeq (mRNA) NM_020661 NM_001330343 NM_009645 RefSeq (protein) NP_001317272 NP_065712 NP_033775 Location (UCSC) Chr 12: 8.6 – 8.61 Mb Chr 6: 122.53 – 122.54 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Activation-induced cytidine deaminase, also known as AICDA, AID and single-stranded DNA cytosine ...
Oxidative deamination is a form of deamination that generates α-keto acids and other oxidized products from amine-containing compounds, and occurs primarily in the liver. [1] Oxidative deamination is stereospecific, meaning it contains different stereoisomers as reactants and products; this process is either catalyzed by L or D- amino acid ...
Other examples of base lesions repaired by BER include: Oxidized bases: 8-oxoguanine, 2,6-diamino-4-hydroxy-5-formamidopyrimidine (FapyG, FapyA) Alkylated bases: 3-methyladenine, 7-methylguanosine; Deaminated bases: hypoxanthine formed from deamination of adenine. Xanthine formed from deamination of guanine.
SDH catalyzes the deamination of L-serine to yield pyruvate, with the release of ammonia. [1] This enzyme has one substrate, L-serine, and two products, pyruvate and NH 3, and uses one cofactor, pyridoxal phosphate (PLP). The enzyme's main role is in gluconeogenesis in the liver's cytoplasm. [citation needed]