This family consists of conserved hypothetical proteins from Borrelia burgdorferi the lyme disease spirochaete, some of which are putative plasmid partition proteins [1].

1: Evidence of past recombination events among the genes encoding the Erp antigens of Borrelia burgdorferi. Stevenson B, Casjens S, Rosa P; Microbiology 1998;144:1869-1879. PMID:9695920

2: A family of genes located on four separate 32-kilobase circular plasmids in Borrelia burgdorferi B31. Stevenson B, Tilly K, Rosa PA; J Bacteriol 1996;178:3508-3516. PMID:8655548