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RefSeq: NCBI Reference Sequence Database

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

Announcements

July 15, 2014
RefSeq Release 66 is available for FTP

This release includes:

Proteins
43,671,159
Transcripts
7,568,770
Organisms
41,263
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.

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