| RNA class | Function description | Presentative RNA PDB_ID |
| rRNA | The component of ribosome, which is usually combined with ribosome protein to form ribosome. | 1DK1,1MZP,1RKJ,2HGH,3U4M,5D6G,6AJK;3R9X;2X7N |
|---|---|---|
| riboswitch | Binding to small molecule metabolites and iron ions ; regulating transcription, translation, shearing and RNA stability. | 3MXH,7D7V |
| ribozyme | RNA with catalytic activity. | 4PR6;2R8S |
| snRNA | Combining with protein factors to form small ribosomal protein particles and perform the function of cutting mRNA. | 1T4L |
| mRNA | Carrying genetic information transcribed from DNA; template for protein synthesis | 2HW8,2L2K,2L3J,2L3C;1L1C |
| tRNA | As a carrier of amino acids, it is responsible for protein transcription in protein synthesis | 1B23,1H3E,1K8W,1OB2,2DR2,2DRB,2MQV,2ZZM,3TUP,5WT3;1H4Q,3QSY;3V11;5X6B |
| aptamer | Combined with specific target molecules. | 3EGZ,4M4O,4PDB;3DD2,4KZD;6CF2 |
| dsRNA | A common way of gene selective expression, which can inhibit the rapid division of cancer cells in vivo. | 1EKZ,2LBS,6SDY;2NUE;4OOG |
| microRNA | Complementing with mRNA to silence or degrade mRNA | 1L9A,1LNG,2N82 |
| other | Other types | 1A1T,1FJE,1NYB,1U6P,2AB4,2ESE,2FY1,2IHX,2N3O,2PJP,2XDB,2Y8W,4AL5,4BW0,6CMN, 6GBM,6TPH,6XH1,7K9D;4PMI,4UE4,6D12,6U8D;1ZSE;4C7O,6CYT;2MF1 |