Bisphosphoglycerate mutase (BPGM) drives phosphoglycerate mutase 1 (PGAM1) phosphorylation, which is required for glycolytic flux. Loss of BPGM is partially compensated by 1,3-BPG directly phosphorylating PGAM1, sustaining glycolytic flux but diverting metabolites for serine synthesis.
- Rob C Oslund
- Xiaoyang Su
- Joshua D Rabinowitz