Protein
Hemoglobin and hemoglobin-haptoglobin-binding protein
Organism
Haemophilus ducreyi (strain 35000HP / ATCC 700724)
Function
Acts as a receptor for hemoglobin or the hemoglobin/haptoglobin complex of the host and is required for heme uptake. May be involved in virulence.
Similarity
Belongs to the TonB-dependent receptor family. Hemoglobin/haptoglobin binding protein subfamily.
Sequence
MKANKLSAITLCILGYAHTVYAESNMQTEKLETIVVSSEDDSVHNKNVGEIKKNAKALSKQQVQDSRDLVRYETGVTVVEKGRFGSSGYAIRGVDENRVAVVVDGLHQAETISSQGFKELFEGYGNFNNTRNGVEVENLKQAVIQKGADAIRTGSGSLGGTVSFESKDARDYLIDKNYHFGYKTGYSSADNQKLHSVTAAGRYSDFDLLAVHTQRHGNELRNYGYRHYDGSVVRKEREKADPYKITKQSSLIKIGYQLNDTNRFTLGYDDSRNTSRGTDWSNAFTSYNGGPFLKDVRHTNDQSNRKNISFVYENFDTNDFWDTLKITHNHQKIKLKARLDEYCDVNGEIDCPAIANPSGLYINDKGIFLDKHDGEITHKKEGEFNNYFDSKGKEVRVKGFNVDSILINCDQYDCSKPMQLLSSTNNGYGGSPNKYIYKTYELFEKTMNNGNGKYAVLEIRSSGHEKFSRVYLPSEKGYVENQWKDRDLNTDTQQYNIDLTKSFKLKSVEHNATYGGLYSEVKKSMTNRAGYEAYNRQWWANIFFGKENNKPNKCQPYNGNSFTTLCSHEDRLFSFLIPVKTKTGALYVTDKIKLNDKVNLDVAYRYDRIKHDPKYIPGTTPKLPTDLILGRFIEFKPKNTYATQDEKNENAEKNAVYLASKKTKFSANSYSATFSFDPMDFLKIQAKYATGFRAPTSDEIYFVFQHPSFSIYPNLYLKAERSKNKEVAITLHKQKSFLTVNLFQTDYKDFLDLAYLKKGSLPYGNGGSQLETLLYQNVNRDKARVKGLEVNSKLHLGDVWRTLDGFNLSYKLSLQKGRMSSKVGEEGKQRDTNKLDTPMNAIQPQTHVVGVGYEHPQEKFGVDMYLTHASAKKEKDTFNMFYDGKDQKDQHIKWRSDRYTLVDLIAYVKPVKNVTLRAGVYNLTNREYGTWDSIRSIRPFGTTNLINQETGKGIKRFNAPGRNFRVNAEITF