Organism
Methanosphaerula palustris (strain ATCC BAA-1556 / DSM 19958 / E1-9c)
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
MSGDYQLRCPTCGLRITDRYSSFCPAGHPGLLVTDYPERTLSLSGQPGIFRYESWLPVRGRLPFTGGTVTYQSDGLAEELGLAHLFIGFNGYWPERGADLVTCSFKELEAVPSMLRATERTAGILVVASAGNTARAFCQVSALTGIPVVIVVPQSALPRLWTTEPAPAALVIGVDGDYADAIAYSTALAAVDPRLIVEGGARNVARRDGMGTVMLDGAVTIGRIPDHYVQAVGSGTGGVAAYEAASRLIRDGRFGGRLPILHLAQNLPFVPMVAAWEEHTRDLQVGPGTPYTEEAEQWVSAPVLTNRTPPYGVPGGTYDALEATGGEMYAISNGLARAAGTLFTDCEGIDLDPAAAVATASLIQAIEMGTIEPGSRVLLNITGGGYDRVVEDHTLVPTPAGYRVPAGNPDDEIRRDVITWVNDHA