| ANS | 1-anilino-8-naphtalene sulfonate |
| CD | Circular dichroism |
| GdmCl | Guanidinium hydrochloride |
| HPr | Histidine phosphocarrier |
| HPrK/P | HPr kinase/phosphorylase |
| bsHPrK/P | HPr kinase/phosphorylase from Bacillus subtilis |
| MW | Molecular weight |
| NDP | Nucleoside diphosphate kinase |
| PEP | Phosphoenolpyruvate |
| PTS | Phosphotransferase system |
| SAXS | Small angle X-ray scattering |
| UV | Ultraviolet |