| Feature | misc_signal |
| Definition | any region containing a signal controlling or altering gene function or expression that cannot be described by other signal keys (promoter, CAAT_signal, TATA_signal, -35_signal, -10_signal, GC_signal, RBS, polyA_signal, enhancer, attenuator, terminator, and rep_origin); |
| Optional Qualifiers |
/allele="free text" /function="free text" /gene="free text" /gene_synonym="free text" /map="free text" /note="free text" /operon="free text" /phenotype="free text" /standard_name="free text" |