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glutamate--cysteine ligase/glutathione synthase, Streptococcus agalactiae type This model represents a bifunctional protein family for the biosynthesis of glutathione, and perhaps a range of related gamma-glutamyltripeptides of the form gamma-Glu-Cys-X(aa). The N-terminal region is similar to proteobacterial glutamate-cysteine ligase. The C-terminal region is homologous to cyanophycin synthetase of cyanobacteria and, more distantly, to D-alanine-D-alanine ligases. Members of this family are found in Listeria and Enterococcus, Gram-positive lineages in which glutathione is produced (see PUBMED:8606174), and in Pasteurella multocida, a Proteobacterium. In Clostridium acetobutylicum, adjacent genes include separate proteins rather than a fusion protein. [Biosynthesis of cofactors, prosthetic groups, and carriers, Glutathione and analogs] |
Jiyao W et al.(2023). "The conserved domain database in 2023.",