Domain |
Transcriptomics |
Proteomics |
Metabonomics |
Technology |
microarrays |
affinity arrays |
massspectrom. |
LC-MS, NMR |
Are biomolecular
entities
identified? |
Yes |
Yes |
No |
Yes |
No |
Biomolecular entity identifiers |
gene/transcript identifier, e.g., Ensembl |
protein identifier, e.g., Uniprot |
- |
metabolite identifier, e.g., HMDB or ChEBI |
- |
Biomolecular entity characteristics |
sequence and annotation |
sequence and annotation |
m/z; probability; number of chrom. fraction |
chemical formula and annotation |
chemical shift (NMR) or m/z (LC-MS) |
Measurement types |
expression value |
abundance level |
intensity |
Intensity |
Basic assay unit |
hybridisation |
hybridisation |
spectrum of an LC fraction |
acquisition with a certain pulse programme (NMR); spectrum of a certain LC fraction (LC-MS) |