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Examples: Entry HUMAN22169 - Entry P53_RAT - Search for "photoreceptor" - "Drosophila" species

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2,424

Full genomes

17,080,590

Proteins

1,043,597

OMA groups

792,770

Deepest HOGs

All.Apr2021

Release

First time here?

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Download options

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  • Current release: All data is available for download in a variety of formats.
  • API: The OMA Browser now has a REST API !
  • Export All-All: Export a set of genomes and their precomputed all-against-all comparisons for OMA standalone.

Latest news

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If you use OMA in your work, please consider citing:
Altenhoff A et al., OMA orthology in 2021: website overhaul, conserved isoforms, ancestral gene order and more Nucleic Acids Research, gka1007, (doi:10.1093/nar/gkaa1007)