| Organism name | Escherichia coli | Clostridium thermocellum |
| Proteome ID | UP000000625 | UP000002145 |
| Number of sequences | 4313 | 3105 |
| Number of aminoacids | 1351630 (with unknown (X)) | 1033401 |
| Aminoacids | Clostridium thermocellum | Escherichia coli | Difference |
| Total amount | 100% | 100% | 0% |
| L | 8,65% | 10,68% | -2,02% |
| I | 8,52% | 6,01% | 2,51% |
| K | 8,05% | 4,41% | 3,65% |
| E | 7,60% | 5,77% | 1,83% |
| V | 7,16% | 7,07% | 0,09% |
| G | 6,72% | 7,37% | -0,65% |
| A | 6,41% | 9,51% | -3,10% |
| S | 6,05% | 5,80% | 0,25% |
| D | 5,73% | 5,15% | 0,59% |
| N | 5,39% | 3,94% | 1,45% |
| T | 5,03% | 5,39% | -0,36% |
| R | 4,28% | 5,52% | -1,24% |
| F | 4,26% | 3,89% | 0,37% |
| Y | 4,21% | 2,84% | 1,36% |
| P | 3,40% | 4,43% | -1,02% |
| Q | 2,55% | 4,44% | -1,89% |
| M | 2,52% | 2,82% | -0,30% |
| H | 1,41% | 2,27% | -0,86% |
| C | 1,17% | 1,16% | 0,01% |
| W | 0,87% | 1,53% | -0,66% |