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Orthologous and Paralogous TranscrIpts in Clades OPTIC


Provides sets of gene predictions and orthologous groups for six clades. OPTIC is designed to provide pre-calculated phylogenetic datasets that are benefit to clade genomic analyses. A useful feature of the database is its provision of multiple alignments either for genes as concatenated exons, or for alternative transcripts. For each orthologous group, OPTIC indicates transcript predictions, orthologs, multiple alignments and phylogenetic trees.

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OPTIC classification

OPTIC specifications

Restrictions to use:
Data access:
File download, Browse
Community driven:
User data submission:
Not allowed

OPTIC support


  • Andreas Heger <>
  • Chris Ponting <>


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Department of Physiology, Anatomy and Genetics, MRC Functional Genetics Unit, University of Oxford, Oxford, UK

Funding source(s)

Supported by Medical Research Council, UK.

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