Table 1. Selection of the most relevant HIF-1α post-translational modifications, their effectors and downstream consequences.
Amino acid residue | Effector | Consequence | Ref. |
Hydroxylations | |||
Pro402, Pro564 | PHD1-3 | Recruitment by VHL and degradation | 44 |
Asn803 | FIH-1 | Inhibition of the transcriptional activity | 45 |
Phosphorylations | |||
Ser641, Ser643 | MAP kinase | Increase the transcriptional activity | 49 |
Ser668 | CDK1 | Stabilization of HIF-1α | 52 |
Ser576, Ser657 | Plk-3 | Degradation | 53 |
Ser551, Ser555, Ser589 | GSK-3 | Degradation | 53 |
Acetylations | |||
Lys532 | ARD1 | Recruitment by VHL and degradation | 44 |
Lys674 | Not determined | Required for transcriptional activity | 113 |