| Feature | GC_signal |
| Definition | GC box; a conserved GC-rich region located upstream of the start point of eukaryotic transcription units which may occur in multiple copies or in either orientation; consensus=GGGCGG |
| Optional Qualifiers |
/allele="free text" /gene="free text" /gene_synonym="free text" /map="free text" /note="free text" |
| Organism Scope | eukaryotes and eukaryotic viruses |