has role has_role has role has role has_role has role virulence factor protein role protective antigen role Neisseria meningitidis protein ExbB A total of 11 meningococcal proteins that are necessary for establishing systemic infection were expressed as recombinant antigens and assessed for their ability to protect mice against live bacterial challenge against N. meningitidis; ExbB, which is required for iron acquisition, elicited protective immunity [PubMed: 15964482]. A total of 11 meningococcal proteins that are necessary for establishing systemic infection were expressed as recombinant antigens and assessed for their ability to protect mice against live bacterial challenge against N. meningitidis; ExbB, which is required for iron acquisition, elicited protective immunity [PMID:15964482]. Protegen ID: 601; NCBI Gene GI: 903370; NCBI Protein GI: 15677575; NCBI Protein Accession: NP_274732; NCBITaxon: 122586 YH, ZX 601