Protein
Hemoglobin-haptoglobin utilization protein B
Organism
Neisseria meningitidis serogroup A / serotype 4A (strain Z2491)
Function
Acts as a receptor for hemoglobin or the hemoglobin/haptoglobin complex and is required for heme uptake.
Similarity
Belongs to the TonB-dependent receptor family.
Sequence
MPIPFKPVLAAAAIAQAFPAFAADPAPQSAQTLNEITVTGTHKTQKLGEEKIRRKTLDKLLVNDEHDLVRYDPGISVVEGGRAGSNGFTIRGVDKDRVAINVDGLAQAESRSSEAFQELFGAYGNFNANRNTSEPENFSEVTITKGADSLKSGSGALGGAVNYQTKSASDYVSEDKPYHLGIKGGSVGKNSQKFSSITAAGRLFGLDALLVYTRRFGKETKNRSTEGDIEIKNDGYVYNPTDTGGPSKYLTYVATGVARSQPDPQEWVNKSTLFKLGYNFNDQNRIGWIFEDSRTDRFTNELSNLWTGTTTSAATGDYRHRQDVSYRRRSGVEYKNELEHGPWDSLKLRYDKQRIDMNTWTWDIPKNYDKRGINGEVYHSFRHIRQNTAQWTADFEKQLDFSKAVWAAQYGLGGGKGDNANSDYSYFAKLYDPKILASNQAKITMLIENRSKYKFAYWNNAFHLGGNDRFRLNAGIRYDKNSSSAKDDPKYTTAIRGQIPHLGSERAHAGFSYGTGFDWRFTKHLHLLAKYSTGFRAPTSDETWLLFPHPDFYLKANPNLKAEKAKNWELGLAGSGKAGNFKLSGFKTKYRDFIELTYMGVSSDDKNNPRYAPLSDGTALVSSPVWQNQNRSAAWVKGIEFNGTWNLDSIGLPKGLHTGLNVSYIKGKATQNNGKETPINALSPWTAVYSLGYDAPSKRWGINAYATRTAAKKPSDTVHSNDDLNNPWPYAKHSKAYTLFDLSAYLNIGKQVTLRAAAYNITNKQYYTWESLRSIREFGTVNRVDNKTHAGIQRFTSPGRSYNFTIEAKF