#2494 Non-coding RNA

[Alan Ruttenberg]

long non-coding RNA: I used definition from wikipedia: Long non-coding RNAs (long ncRNAs, lncRNA) are non-protein coding transcripts longer than 200 nucleotides.
Alternative term: lncRNA
Parent: ribonucleic acid
I added the following from wikipedia as an editor note: This somewhat arbitrary limit distinguishes long ncRNAs from small regulatory RNAs such as microRNAs (miRNAs), short interfering RNAs (siRNAs), Piwi-interacting RNAs (piRNAs), small nucleolar RNAs (snoRNAs), and other short RNAs

small interfering RNA: I adapted the definition from wikipedia: small interfering RNA (siRNA) is a class of double-stranded RNA molecules, 20-25 base pairs in length. siRNA plays many roles, but it is most notable in the RNA interference (RNAi) pathway, where it interferes with thes expression of specific genes with complementary nucleotide sequences.
Parent: ribonucleic acid
Alternative term: siRNA

microRNA : Suggest adapting from SO_0000276

RNA(circular) CHEBI:876 Make child of ribonucleic acid