This family of paralogous proteins identified in Mycoplasma penetrans includes homologues of p35 [1].

1: The complete genomic sequence of Mycoplasma penetrans, an intracellular bacterial pathogen in humans. Sasaki Y, Ishikawa J, Yamashita A, Oshima K, Kenri T, Furuya K, Yoshino C, Horino A, Shiba T, Sasaki T, Hattori M; Nucleic Acids Res 2002;30:5293-5300. PMID:12466555