Class | Transcriptional effect | Glucose added to strain | No glucose added | Representative genes | |
---|---|---|---|---|---|
 |  | PKA+ | PKA- | PKA activated |  |
1 | Induction | + | + | - | PFK1, ENO2 |
 | Repression | + | + | - | CRC1, PCK1, MLS1 |
2 | Induction | + | - | + | ARG3, THR4 |
 | Repression | + | - | + | GRX2, PEP4 |
3 | Induction | + | + | + | HXT3, RPL7A, HOR2 |
 | Repression | + | + | + | ACS1, ADY2, CIT3 |
4 | Induction | + | - | - | SDT1, STR3 |
 | Repression | + | - | - | HXT6, MDH1 |