TABLE 6.
Protein | Gene | Molecular mass (kDa) | Location | Function | References |
---|---|---|---|---|---|
Tbp1 | tbpA | 95 | Outer membrane | Transferrin transport | 111, 112, 179 |
Tbp2 | tbpB | 68–85 | Outer membrane | Transferrin binding | 111, 112, 179 |
FbpA | hitA | 36 | Periplasmic space | Iron binding | 272 |
HitB | hitB | 51 | Cytoplasmic membrane | Permease | 272 |
HitC | hitC | 40 | Cytoplasmic membrane | Energy transduction | 272 |
HxuA | hxuA | 100 | Secreted | Heme/hemopexin binding | 65, 66 |
HxuB | hxuB | 60 | Outer membrane | Release of HxuA | 66 |
HxuC | hxuC | 78 | Outer membrane | Heme transport | 66 |
57-kDa protein | ? | 57 | Outer membrane | Hemopexin binding | 350, 351 |
HbpA | hbpA | 61 | ? | Heme binding | 131 |
HgpA | hgpA | 120 | Outer membrane | Hemoglobin/haptoglobin binding | 150 |
HgpB | hgpB | 115 | ? | Hemoglobin/haptoglobin binding | 257 |
HhuA | hhuA | 115 | Outer membrane | Hemoglobin/haptoglobin binding | 185 |
P4 | hel | 30 | Outer membrane | Heme transport | 256 |
Adapted from reference 249 with permission of the publisher.