Here are some abbreviations for enzymes involved with the breakdown of glucose:

- HK: Hexokinase

- GPI: Glucose-6-phosphate isomerase

- PFK: Phosphofructokinase

- ALDO: Aldolase

- TPI: Triosephosphate isomerase

- GAPDH: Glyceraldehyde-3-phosphate dehydrogenase

- PGK: Phosphoglycerate kinase

- PGAM: Phosphoglyceromutase

- ENO: Enolase

- PK: Pyruvate kinase