| AcorA | Activity-correlation Analysis |
| AChE | acetylcholine esterase |
| APP | amyloid precursor protein |
| AD | Alzheimer’s disease |
| BACE-1 | Beta-secretase 1; beta-site amyloid precursor protein cleaving enzyme 1 |
| calcd. | calculated |
| CH3COOH | acetic acid |
| ESI-FTICR MS | electrospray ionization Fourier transform ion cyclotron mass spectrometry |
| Gln-AMC | N-glutaminyl-7-amino-4-methyl-coumarin |
| GP | exponential growth phase |
| Isotope p. | isotope peak |
| MBG | metal binding group |
| NaOAc | sodium acetat |
| NH4OAc | ammonium acetate |
| pGAP | pyroglutaminyl aminopeptidase |
| pGlu | pyroglutamyl |
| rs | Spearman’s rank correlation coefficient |
| RT | retention time |
| SP | stationary growth phase |
| QC | glutaminyl cyclase |
| UPLC-MS | Ultra performance liquid chromatography mass spectrometry |