Extracellular Proteins Probably under DegU Control
| Proteins | Functions | Regulation |
| Metabolism of carbohydrates | ||
| AmyE | alpha-amylase | + |
| BgIS | endo-beta-1,3-1,4 glucanase | + |
| PelB | pectate lyase | + |
| YnfF | endo-xylanase | + |
| Metabolism of proteins | ||
| AprE | serine alkaline protease (subtilisin E) | + |
| Bpr | bacillopeptidase F | + |
| Ggt | gamma-glutamyltranspeptidase | + |
| Mpr | extracellular metalloprotease | + |
| NprE | extracellular neutral metalloprotease | + |
| Vpr | extracellular serine protease | + |
| YwaD | aminopeptidase | + |
| Metabolism of nucleotides and nucleic acids | ||
| YfkN | 2′,3′-cyclic-nucleotide 2′-phosphodiesterase | + |
| Yurl | ribonuclease | + |
| Metabolism of the cell wall | ||
| LytD | N-acetylglucosaminidase (major autolysin) | − |
| WapA | cell wall-associated protein precursor | − |
| YwtD | murein hydrolase | − |
| Mobility and chemotaxis | ||
| Hag | flagellin protein | − |
| FlgK | flagellar hook-associated protein 1 (HAP1) | − |
| FliD | flagellar hook-associated protein 2 (HAP2) | − |
| Similar to unknown proteins | ||
| YlqB | unknown | − |
| YxkC | unknown | − |
[i] Extracellular proteins of which the synthesis is up-regulated in the degU32(hy) mutant are indicated (+). Proteins of which the synthesis is down-regulated are indicated by (−).