Organism
Methanospirillum hungatei JF-1 (strain ATCC 27890 / DSM 864 / NBRC 100397 / JF-1)
Function
Specifically catalyzes the beta-elimination of phosphate from L-phosphoserine and the beta-addition of sulfite to the dehydroalanine intermediate to produce L-cysteate.
Similarity
Belongs to the threonine synthase family. Cysteate synthase subfamily.
Sequence
MTGYTLTCPVCNKEFSDSYTLTCPGGCQGLIRAKYAARQITLHDAPGVFKYMDWLPVTGVLRTRAEPVCFKSEGLARALGLSDLWIVFSGYWPEVGAFAVSGSFKEFEAFPTMQRLSERTKGIIQVSSAGNTGRAFAEVSAETCQPVIIVVPESARDRLFTTSPAHDTLLITISGDYTDAINLGSRICTLPGIFPEGGAKNVARRDGMGTVMLAGTLAMGTLPDWYLQAVGSGTGGIAAYEASLRLIADGRFGTRMPRLLLFQNEPFIPMVRAWQEKRREIKDEDMPDAEQAISQVYSDVLTNRTPPYGIVGGVFDTLIATNGLMAGVSSADAQEAGKLFSSSEGIDPDPAAAVCVAGLMRAVRSGVIKPDEKILLNITGGGYARGRKDLPRFVKAPDIMVSKETPFEKISAKVQEWMRYYA