Table 1 Overview of determined and predicted functions of membrane proteins in B. subtilis. The numbers of membrane proteins belonging to each functional category are shown.
Cell envelope and cellular processes | 522 | |
|---|---|---|
| Â | cell wall | 40 |
| Â | transport/binding proteins and lipoproteins | 305 |
| Â | signal transduction (sensors) | 30 |
| Â | membrane bioenergetics | 35 |
| Â | motility and chemotaxis | 20 |
| Â | protein secretion | 15 |
| Â | cell division | 8 |
| Â | sporulation | 47 |
| Â | germination | 13 |
| Â | transformation/competence | 9 |
Intermediary metabolism | 62 | |
| Â | Metabolism of carbohydrates | 17 |
| Â | Metabolism of amino acids | 12 |
| Â | Metabolism of nucleotides and nucleic acids | 7 |
| Â | metabolism of lipids | 12 |
| Â | metabolism of coenzymes and prosthetic groups | 9 |
| Â | metabolism of phosphate | 4 |
| Â | metabolism of sulfur | 1 |
Information pathways | 21 | |
| Â | DNA restriction/modification and repair | 2 |
| Â | Transcription regulation | 6 |
| Â | ribosomal proteins | 1 |
| Â | protein modification | 4 |
| Â | Protein folding | 8 |
Other functions | 60 | |
Unknown | Â | 490 |