Proteins of Bacillus subtilis 168 Present in the Medium Without Typical Export Signals1
| Proteins | Function/Similarity |
| Metabolism of carbohydrates | |
| Eno | enolase |
| PdhB | pyruvate dehydrogenase (E1 beta subunit) |
| PdhD | pyruvate dehydrogenase (E3 subunit) |
| YvgN | similar to plant-metabolite dehydrogenase |
| YwjH | similar to transaldolase (pentose phosphate) |
| CitH | malate dehydrogenase |
| Metabolism of amino acids | |
| RocA | pyrroline-5 carboxylate dehydrogenase |
| RocF | arginase |
| Motility and chemotaxis | |
| Hagdual H | flagellin protein |
| FlgKex | flagellar hook-associated protein 1 (HAP1) |
| FliDex | flagellar hook-associated protein 2 (HAP2) |
| Detoxification | |
| KatAH | vegetative catalase 1 |
| SodAH | superoxide dismutase |
| YceD | similar to tellurium resistance protein |
| Protein synthesis (Elongation) | |
| Fus, Ef-G | elongation factor G |
| Protein folding | |
| GroEL | class I heat-shock protein (chaperonin) |
| Phage-related functions | |
| XepAex | PBSX prophage lytic exoenzyme |
| XkdGex H | PBSX prophage gene |
| XkdKex | PBSX prophage gene |
| XkdMex | PBSX prophage gene |
| XlyAw ex | N-acetylmuramoyl-L-alanine amidase |
| Metabolism of the cell wall | |
| CwlCw ex | N-acetylmuramoyl-L-alanine amidase |