This family consists of Campylobacter major outer membrane proteins. The major outer membrane protein (MOMP), a putative porin and a multifunction surface protein of Campylobacter jejuni, may play an important role in the adaptation of the organism to various host environments [1].

1: Sequence polymorphism, predicted secondary structures, and surface-exposed conformational epitopes of Campylobacter major outer membrane protein. Zhang Q, Meitzler JC, Huang S, Morishita T; Infect Immun 2000;68:5679-5689. PMID:10992471