| Feature | modified_base |
| Definition | the indicated nucleotide is a modified nucleotide and should be substituted for by the indicated molecule (given in the mod_base qualifier value) |
| Mandatory Qualifiers | /mod_base=<modified_base> |
| Optional Qualifiers | /db_xref="<database>:<identifier>" /experiment="[CATEGORY:]text" /frequency="text" /gene="text" /gene_synonym="text" /inference="[CATEGORY:]TYPE[ (same species)][:EVIDENCE_BASIS]" /locus_tag="text" (single token) /map="text" /note="text" /old_locus_tag="text" (single token) |
| Comments | value is limited to the restricted vocabulary for modified base abbreviations; |
| Last Updated | Fri Oct 22 16:27:59 2021 |