| Category | What is it for |
|---|---|
| apo | apoptosis |
| axs | axon guidance signal |
| cad | Cell adhesion/synaptic junction |
| cha | Channels/transport proteins |
| chr | Chromosome structure |
| cre | chromatin remodelling/transcription cofactors |
| cyc | Cell Cycle/Cell division |
| cyt | cytoskeletal/microtubule-associated proteins/motors/nuclear matrix |
| dna | DNA synthesis/replication |
| emi | Effectors/modulators/intracellular transducers |
| hgf | hormone/growth factors/cytokine |
| hsp | stress response/host defense/chaperone |
| mat | extracellular matrix |
| mem | carrier proteins/membrane transport/circulation |
| mmm | metabolism |
| ppp | protein modification |
| pro | protein turnover |
| rec | DNA repair/recombination |
| rib | ribosomal proteins/translation factors |
| rna | RNA systhesis/processing/stability |
| rrr | receptors |
| sec | protein targeting/trafficking/nuclear pore |
| tfa | transcription factors |
| trn | tRNA systhesis/metabolism |
| uuu | unclassified |
| xxx | unknown |