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collection
species, unclassified sequences
Electron
genus, birds
Nucleotide Protein
Xenopus
subgenus, frogs & toads
plasmids
other sequences
Homo sapiens
(human), species, primates
Homo
(humans), genus, primates
Xenopus laevis
(African clawed frog), species, frogs & toads
genus, frogs & toads
Saccharomyces
genus, budding yeasts
insertion sequences
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