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Saccharomyces cerevisiae chromosome XII
>YLR056W C-5 sterol desaturase, catalyzes the introduction of a C-5(6) double bond into episterol, a precursor in ergosterol biosynthesis; mutants are viable, but cannot grow on non-fermentable carbon sources 
MDLVLEVADHYVLDDLYAKVLPASLAANIPVKWQKLLGLNSGFSNSTILQETLNSKNAVKECRRFYGQVPFLFDMSTTSF
ASLLPRSSILREFLSLWVIVTIFGLLLYLFTASLSYVFVFDKSIFNHPRYLKNQMAMEIKLAVSAIPWMSMLTVPWFVME
LNGHSKLYMKIDYENHGVRKLIIEYFTFIFFTDCGVYLAHRWLHWPRVYRALHKPHHKWLVCTPFASHSFHPVDGFLQSI
SYHIYPLILPLHKVSYLILFTFVNFWTVMIHDGQYLSNNPAVNGTACHTVHHLYFNYNYGQFTTLWDRLGGSYRRPDDSL
FDPKLRDAKETWDAQVKEVEHFIKEVEGDDNDRIYENDPNTKKNN

Supplementary options
Additional orf sequence data See Genomic Environment
Search GenBank with PSI-Blast at NCBI Search Complete Genomes DataBase with Blast at LBMGE
Search InterPro Database at LBMGE Search CDD Database at LBMGE
Determine COG functional Category (microbial) Determine COG functional Category (eukarial)
__________ GenBank id: 6323085 Gene name: ERG3 COG: I COG3000 Sterol desaturase Taxon: 4932 Lineage: Eukaryota: Opisthokonta: Fungi: Dikarya: Ascomycota: saccharomyceta: Saccharomycotina: Saccharomycetes: Saccharomycetales: Saccharomycetaceae: Saccharomyces: Saccharomyces cerevisiae
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