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75387 Ensembl ENSG00000089163 ENSMUSG00000029524 UniProt Q9Y6E7 Q8R216 RefSeq (mRNA) NM_012240 NM_001385733 NM_001385734 NM_001385735 NM_001167691 NM_133760 RefSeq (protein) NP_036372 NP_001161163 NP_598521 Location (UCSC) Chr 12: 120.3 – 120.31 Mb Chr 5: 115.48 – 115.48 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Sirtuin 4, also known as SIRT4, is a mitochondrial protein ...
[2] [3] They are ancient in animal evolution and appear to possess a highly conserved structure throughout all kingdoms of life. [2] Chemically, sirtuins are a class of proteins that possess either mono- ADP-ribosyltransferase or deacylase activity, including deacetylase, desuccinylase , demalonylase , demyristoylase and depalmitoylase activity.
l-Kynurenine is a metabolite of the amino acid l-tryptophan used in the production of niacin. Kynurenine is synthesized by the enzyme tryptophan dioxygenase , which is made primarily but not exclusively in the liver, and indoleamine 2,3-dioxygenase , which is made in many tissues in response to immune activation. [ 1 ]
4-Hydroxyphenylglycine (HPG) is a non-proteogenic amino acid found in vancomycin and related glycopeptides. HPG is synthesized from the shikimic acid pathway and requires four enzymes to synthesize: [1] Both L- and D-HPG are used in the vancomycin class of antibiotics.
Cystathionine is an intermediate in the synthesis of cysteine from homocysteine.It is produced by the transsulfuration pathway and is converted into cysteine by cystathionine gamma-lyase (CTH).
Homoarginine is an nonproteinogenic alpha-amino acid. It is structurally equivalent to a one- methylene group -higher homolog of arginine and to the guanidino derivative of lysine . L -Homoarginine is the naturally-occurring enantiomer .
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Pyrrolysine (symbol Pyl or O; [2] encoded by the 'amber' stop codon UAG) is an α-amino acid that is used in the biosynthesis of proteins in some methanogenic archaea and bacteria; [3] [4] it is not present in humans. It contains an α-amino group (which is in the protonated – NH +