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LOS

Gene
LOS
Protein
Lycopaoctaene synthase
Organism
Botryococcus braunii
Length
444 amino acids
Function
Converts the C20 geranylgeranyl diphosphate (GGPP) to the C40 lycopaoctaene, the first committed intermediate in the production of lycopadiene (PubMed:27050299, PubMed:28813599). Converts farnesyl diphosphate (FPP) into squalene, a precursor for sterol biosynthesis in eukaryotes (PubMed:27050299, PubMed:28813599). Converts with low efficiency the C20 phytyl diphosphate (PPP) to the C40 lycopadiene in vitro. This reaction may not have biological significance in vivo (PubMed:27050299).
Similarity
Belongs to the phytoene/squalene synthase family.
Mass
50.278 kDa
Sequence
MKYTDFLAHPDEIIPTIRMMYADYRLKNMEIKDPSVRFCYNMLNRVSRSFAMVIQQLPVELRDATCVFYLILRALDTVEDDMAIPKEVKIPMLRTFHEHLSDRSWKIKCGYGPYVDLMDNYPLVTDVYLRFDEGTKAVIKDITRRMGNGMADFIDLDEVLTIPQYDLYCHYVAGLCGIGMCKLFVDSGLEKEDLVAEEDLANQMGLFLQKNNIVRDYLEDINELPAPRMFWPKEIWGNYAKQLDEFKDPKNLDKAMLCLNHMVTDALRHCEVGLRSLSLLHNPNILRAVLIPQVMGVRTLTLVYNNPEVFRGVVKMRRGETAKIFVTTTSKLSFFRTYLQFANEMEQKCLTEAKNDPMVALTLKRVQGVQAACRAAIVKAEIAEGAKGPSTAMVLAGALLIAALAYFAYVYSAGGTSLKALPLFGVVIILAIGLFGRNLALKTV