Database Version:
2017.12.01: The first version of the database. It includes 5291 RNA chains. There are 510 Folds in our database.2021.07.29: We updated our database. It includes 7466 RNA chains from PDB-format structures that belong to 675 Folds in our database and 6135 RNA chains from mmCIF-format structures that belong to 220 Folds.