Small protein family, with members present in few proteobacteria mostly Desulfovibrio species, but also a Vibrio phage vB, suggesting a possible phage origin Experimentally determined structure shows a fold reminiscent of a thioesterase/thiol ester dehydrase-isomerase fold, but a functional consequences of this similarity are not clear
Jiyao W et al.(2023). "The conserved domain database in 2023.",