OMP profiles of H. bilis and H. pylori strains on an SDS-10% polyacrylamide gel. H. bilis strains: lane 1, ATCC 51630; lane 2, MIT95-477; lane 3, MIT96-5983; lane 4, MIT96-151N3. H. pylori strains: lane 5, J99; lane 6, AH244; lane 7, SydneySS1. Molecular mass markers are on the left.