RefSeq: NCBI Reference Sequence Database
A comprehensive, integrated, non-redundant, well-annotated set of reference sequences including genomic, transcript, and protein.
RefSeq Access
Announcements
July 12, 2024
RefSeq Release 225 is available for FTP
This release includes:
- Proteins:
- 334,845,613
- Transcripts:
- 63,542,774
- Organisms:
- 152,668
- Available at:
- ftp://ftp.ncbi.nlm.nih.gov/refseq/release/
- Documentation:
- Release Notes
See previous announcements, follow NCBI on Twitter, or subscribe to NCBI's refseq-announce mail list to receive announcements.