Ensembl IDs identifiers download

[Akhil P]

I am trying to download the annotation files with ensembl ID. How to do that download?

[Anthony Castanza]

Hello,

I'm not sure I understand what you're looking for exactly.

The CHIP (annotation) files that are used to map inputs from Ensembl IDs to Gene Symbols for analysis are available from the MSigDB downloads pages (https://www.gsea-msigdb.org/gsea/downloads.jsp) look for where it says "Annotation files".

If you're referring to the gene sets themselves, we only distribute them mapped into the namespaces of NCBI (formerly Entrez) gene IDs, and Gene Symbols, but these are also available from links on the downloads page.

-Anthony

Anthony S. Castanza, PhD

Curator, Molecular Signatures Database

Mesirov Lab, Department of Medicine

University of California, San Diego

On Mon, May 11, 2026 at 8:46 AM Akhil P <pampan...@gmail.com> wrote:

I am trying to download the annotation files with ensembl ID. How to do that download?

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