>d1n4db_ c.92.2.2 (B:) Vitamin B12 binding protein BtuF {Escherichia coli [TaxId: 562]} aprvitlspantelafaagitpvgvssysdyppqaqkieqvstwqgmnlerivalkpdlv iawrggnaerqvdqlaslgikvmwvdatsieqianalrqlapwspqpdkaeqaaqslldq yaqlkaqyadkpkkrvflqfginppftsgkesiqnqvlevcggenifkdsrvpwpqvsre qvlarspqaivitgipvipltsdwferaspriilaaqqlcnalsqvd