Animals|Arabidopsis|Archaeoglobus fulgidus|Base Composition|Computational Biology|Databases, Genetic|MicroRNAs|Models, Genetic|Nucleic Acid Conformation|Pyrococcus horikoshii|RNA|RNA, Archaeal|RNA, Fungal|RNA, Helminth|RNA, Plant|RNA, Transfer, Ala|RNA, Transfer, Asn|Ribonuclease P|Saccharomyces cerevisiae|Sequence Homology, Nucleic Acid|Signal Recognition Particle|Software|Software Validation