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UDP-N-acetylmuramoylpentapeptide-lysine N6-alanyltransferase : ウィキペディア英語版 | UDP-N-acetylmuramoylpentapeptide-lysine N6-alanyltransferase
In enzymology, an UDP-N-acetylmuramoylpentapeptide-lysine N6-alanyltransferase () is an enzyme that catalyzes the chemical reaction :L-alanyl-tRNA + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine tRNA + UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-N6-(L-alanyl)-L-lysyl-D- alanyl-D-alanine Thus, the two substrates of this enzyme are L-alanyl-tRNA and UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine, whereas its 3 products are tRNA, UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-N6-(L-alanyl)-L-lysyl-D-, and alanyl-D-alanine. This enzyme belongs to the family of transferases, specifically the aminoacyltransferases. The systematic name of this enzyme class is L-alanyl-tRNA:UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-ala nyl-D-alanine N6-alanyltransferase. Other names in common use include alanyl-transfer ribonucleate-uridine, diphosphoacetylmuramoylpentapeptide transferase, UDP-N-acetylmuramoylpentapeptide lysine N6-alanyltransferase, uridine diphosphoacetylmuramoylpentapeptide lysine, N6-alanyltransferase, L-alanyl-tRNA:UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-D-, and alanyl-D-alanine 6-N-alanyltransferase. This enzyme participates in peptidoglycan biosynthesis. ==Structural studies==
As of late 2007, 4 structures have been solved for this class of enzymes, with PDB accession codes , , , and .
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