Identification of discrete domains within gonococcal transferrin-binding protein A that are necessary for ligand binding and iron uptake functions.

Abstract excerpt

The availability of free iron in vivo is strictly limited, in part by the iron-binding protein transferrin. The pathogenic Neisseria spp. can sequester iron from this protein, dependent upon two iron-repressible, transferrin-binding proteins (TbpA and TbpB). TbpA is a TonB-dependent, integral, outer membrane protein that may form a beta-barrel exposing multiple surface loops, some of which are likely to contain...

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