This domain family is found in bacteria, and is approximately 220 amino acids in length. The family is found in association with Pfam:PF03797. This family is the middle region of one of the outer membrane proteins of Rickettsia which is involved in adhesion to eukaryotic cells for uptake. This entry is composed of a beta solenoid structural repeat.

1: Identification of two putative rickettsial adhesins by proteomic analysis. Renesto P, Samson L, Ogata H, Azza S, Fourquet P, Gorvel JP, Heinzen RA, Raoult D; Res Microbiol. 2006;157:605-612. PMID:16574381