RefSeq release 235 is now available online and from the FTP site! You can access RefSeq data through NCBI Datasets. The release is provided in several directories as a complete dataset and also as divided by logical groupings.
What’s included in this release?
As of May 11, 2026, this full release incorporates genomic, transcript, and protein data containing:
- 616,942,961 records
- 473,570,633 proteins
- 81,124,747 RNAs
- Sequences from 180,620 organisms







