Now Available: RefSeq Release 223

Now Available: RefSeq Release 223

Check out RefSeq release 223, now available online and from the FTP site. You can access RefSeq data through NCBI Datasets.

What’s included in this release?

As of March 4, 2024, this full release incorporates genomic, transcript, and protein data containing:

  • 425,594,654 records
  • 316,329,937 proteins
  • 60,886,133 RNAs
  • sequences from 147,591 organisms 

The release is provided in several directories as a complete dataset and divided by logical groupings.

New rat assembly and annotation

The Genome Reference Consortium has released a new rat assembly, GRCr8. Annotation Release GCF_036323735.1-RS_2024_02 contains the annotated genes, transcripts and proteins in the new assembly. Curated RefSeq Select transcripts are available for 80% of protein-coding genes. The annotation products are available in the sequence databases and on the FTP site.

Updated mouse genome annotation 

Annotation Release GCF_000001635.27-RS_2024_02 is an update of NCBI Mus musculus Annotation Release 109. The annotation products are available in the sequence databases and on the FTP site.

Annotation of the Asian tiger mosquito

Annotation release GCF_035046485.1-RS_2024_01 is now available for Aedes albopictus (Asian tiger mosquito) assembly, AalbF5. The annotation products are available in the sequence databases and on the FTP site.

New eukaryotic genome annotations

This release includes new annotations generated by NCBI’s eukaryotic genome annotation pipeline for 36 additional species, including:

Human alignment files archived on the FTP site

The alignments in this directory are no longer being updated but are provided for archival purposes. Users interested in the latest set of alignments of human RefSeq transcripts to the genome should use the files located in the historical directory.

Stay up to date

RefSeq is part of the NIH Comparative Genomics Resource (CGR)CGR facilitates reliable comparative genomics analyses for all eukaryotic organisms through an NCBI Toolkit and community collaboration. Follow us on social @NCBI and join our mailing list to keep up to date with RefSeq and other CGR news.

Questions?

If you have questions or would like to provide feedback, please reach out to us! 

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