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IGB uses genus, species, strain (optionally), and release month and year to identify genome assembly versions for a species, individual, strain, or cultivar whose genome was sequenced.
G_species_strain_Mmm_YYYYY
where
- G is the first letter (upper-case) of the genus name
- species is the species name (lower-case)
- strain is cultivar, strain, or individual whose genome was sequenced (this is optional and not usually needed for UCSC-managed genomes)
- Mmm is the three-letter English abbreviation of the month of the release (first letter is upper-case)
- YYYY is the year of the release
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