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holo-ACP synthase CitX Members of this protein family are the CitX protein, or CitX domain of the CitXG bifunctional protein, of the citrate lyase system. CitX transfers the prosthetic group 2'-(5''-triphosphoribosyl)-3'-dephospho-CoA to the citrate lyase gamma chain, an acyl carrier protein. This enzyme may be designated holo-ACP synthase, holo-citrate lyase synthase, or apo-citrate lyase phosphoribosyl-dephospho-CoA transferase. In a few genera, including Haemophilus, this protein occurs as a fusion protein with CitG (2.7.8.25), an enzyme involved in prosthetic group biosynthesis. This CitX family is easily separated from the holo-ACP synthases of other enzyme systems. [Energy metabolism, Fermentation, Protein fate, Protein modification and repair] |
Lu S et al.(2020). "CDD/SPARCLE: the conserved domain database in 2020.",