VF530 contains a unique four-helix motif that shows some similarity to the C-terminal double-stranded DNA (dsDNA) binding domain of RecA, as well as other nucleic acid binding domains [1].

1: Solution NMR structure of VF0530 from Vibrio fischeri reveals a nucleic acid-binding function. Aramini JM, Rossi P, Fischer M, Xiao R, Acton TB, Montelione GT; Proteins. 2011;79:2988-2991. PMID:21905121