Protein
1-aminocyclopropane-1-carboxylate synthase
Function
Catalyzes the formation of 1-aminocyclopropane-1-carboxylate, a direct precursor of ethylene in higher plants (PubMed:7809054, PubMed:11591146). Catalyzes also the conversion of L-vinylglycine (L-VG) to alpha-ketobutyrate and ammonia (PubMed:10704193). Can use S-methylmethionine as substrate (PubMed:14678788).
Similarity
Belongs to the class-I pyridoxal-phosphate-dependent aminotransferase family.
Sequence
MRMLSRNATFNSHGQDSSYFLGWQEYEKNPYHEVHNTNGIIQMGLAENQLCFDLLESWLAKNPEAAAFKKNGESIFAELALFQDYHGLPAFKKAMVDFMAEIRGNKVTFDPNHLVLTAGATSANETFIFCLADPGEAVLIPTPYYPGFDRDLKWRTGVEIVPIHCTSSNGFQITETALEEAYQEAEKRNLRVKGVLVTNPSNPLGTTMTRNELYLLLSFVEDKGIHLISDEIYSGTAFSSPSFISVMEVLKDRNCDENSEVWQRVHVVYSLSKDLGLPGFRVGAIYSNDDMVVAAATKMSSFGLVSSQTQHLLSAMLSDKKLTKNYIAENHKRLKQRQKKLVSGLQKSGISCLNGNAGLFCWVDMRHLLRSNTFEAEMELWKKIVYEVHLNISPGSSCHCTEPGWFRVCFANLPERTLDLAMQRLKAFVGEYYNVPEVNGGSQSSHLSHSRRQSLTKWVSRLSFDDRGPIPGR