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BTH1

Gene
BTH1
Protein
Thiamine biosynthetic bifunctional enzyme BTH1, chloroplastic
Organism
Brassica napus
Length
523 amino acids
Function
Essential for thiamine biosynthesis. Bifunctional enzyme that catalyzes the phosphorylation of hydroxymethylpyrimidine phosphate (HMP-P) to HMP-PP and condenses 4-methyl-5-(beta-hydroxyethyl)thiazole monophosphate (THZ-P) and 2-methyl-4-amino-5-hydroxymethyl pyrimidine pyrophosphate (HMP-PP) to form thiamine monophosphate (TMP).
Similarity
Belongs to the thiamine-phosphate synthase family.
Mass
56.045 kDa
Sequence
MQSLGGIRSWPATWRTTTASMTTTTTESVRKVAQVLTVAGSDSGAGAGIQADIKVCAARGVYCASVKTAVKAKNTRAVQSVHLLPPDSVSEQLKSVLSDFEVDVVKTGMLPSPEIVEVLLQNLSEYPVRALVVDPVMVSTSGHVLAGSSILSIFRERLLPLADIITPNVKEASALLGGVRIQTVAEMRSAAKSLHQMGPRFVLVKGGDLPDSSDSVDVYFDGNEFHELHSPRIATRNTHGTGCTLASCIAAELAKGSNMLSAVKVAKRFVDSALNYSKDIVIGSGMQGPFDHFLSLKDPQSYRQSTFKPDDLFLYAVTDSRMNKKWNRSIVDAVKAAIEGGATIIQLREKEAETREFLEEAKSCVDICRSNGVCLLINDRFDIAIALDADGVHVGQSDMPVDLVRSLLGPDKIIGVSCKTQEQAHQAWKDGADYIGSGGVFPTNTKANNRTIGLDGLREVCKASKLPVVAIGGIGISNAESVMRIGEPNLKGVAVVSALFDQECVLTQAKKLHKTLTESKREH