This domain family is found in eukaryotes, and is approximately 30 amino acids in length. The family is found in association with Pfam:PF02349. This family is the C terminal of major surface glycoprotein 2 of virulent bacteria. It is a virulence factor antigen.

1: Variation in the major surface glycoprotein genes in Pneumocystis jirovecii. Kutty G, Maldarelli F, Achaz G, Kovacs JA; J Infect Dis. 2008;198:741-749. PMID:18627244