Defined in file seqfeat.asn
C++ class: CRNA_gen
RNA-gen ::= SEQUENCE {
class VisibleString OPTIONAL , -- for ncRNAs, the class of non-coding RNA:
-- examples: antisense_RNA, guide_RNA, snRNA
product VisibleString OPTIONAL ,
quals RNA-qual-set OPTIONAL -- e.g., tag_peptide qualifier for tmRNAs
}