Expand (e.g. to paste a long amino-acid sequence)

Quick start Examples

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

Scroll to discover more
chevronDown

2,564

Full genomes

20,891,827

Proteins

1,189,306

OMA groups

898,285

Deepest HOGs

All.Nov2022

Release

First time here?

keyboard_arrow_right

Download options

keyboard_arrow_right

  • 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

keyboard_arrow_right


Stay in touch

!

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)