RefSeq: NCBI Reference Sequence Database

A comprehensive, integrated, non-redundant, well-annotated set of reference sequences including genomic, transcript, and protein.

Announcements


November 13, 2024
RefSeq Release 227 is available for FTP

This release includes:

Proteins:
377,783,847
Transcripts:
66,987,567
Organisms:
159,324
Available at:
ftp://ftp.ncbi.nlm.nih.gov/refseq/release/
Documentation:
Release Notes

See previous announcements, follow , or subscribe to NCBI's refseq-announce mail list to receive announcements.