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Examples: Entry HUMAN22168 - Entry P53_RAT - Search for "photoreceptor" - "Drosophila" species

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2,326

Full genomes

15,501,873

Proteins

962,065

OMA groups

718,347

Deepest HOGs

All.Aug2020

Release

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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)