Table 1. Summary of C. elegans calpain transcriptional reporter expression patterns.
| Cell type | ||||||
| Promoter | Musclea | Neuronal | Intestinal | Hypodermal | Excretory | Seam |
| clp-1 b | + | +c , d | + | + | − | − |
| clp-2 | − | − | +d | − | − | − |
| clp-3 f | − | − | − | − | − | − |
| clp-4 | + | +c , d | − | + | + | − |
| tra-3/clp-5 | − | +c , g | +h | + | + | − |
| clp-6 f | − | − | − | − | − | − |
| clp-7 | − | +c | + | + | + | + |
a
Body wall muscle.
b
Expression detected with both transcriptional and translational fusions.
c
Ventral nerve cord.
d
Dorsal nerve cord.
e
Expression is restricted to the intestine.
f
No expression detected throughout animal.
g
Absent in GABAergic neurons highlighted with unc-47p::gfp (EG1285).
h
Enhanced expression detected in pair of anterior-most intestinal nuclei.