Organism
Methanothrix thermoacetophila (strain DSM 6194 / JCM 14653 / NBRC 101360 / PT)
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
MGEYTLRCAGCGNLLIGGAASCPLDGGLPRADYIERRFNPRKLPGIWSFIDWLPVDGWNRSTGASSVTYRSSGLAAELGLDSLYISFSGYWPERGALMRTCSFKELEAAPTMQMLRDRKAGETLVVASAGNTARAFAEVCSITDQPLILFVPVSSLDRIWTTVEPGRVLVVGVKGDYADAIKLADVLSSRSGFRAEGGARNIARRDGMGTVLLDHVRRFNSLPNHYFQAIGSGTGGIAVWEASMRIIEDGRFGERLPRLHLAQNTPCAPVYNMWHGMGSEESDFDAYGCPEGMHDDVLFNRNPPYAVPGGVRDAVISSGERIYGIDNSRAVSAQKLFEMSEGIDILPAASVAVAALVDAVESGFVENDDDILLNITGGGVKRLAEDHSRVKLKCDLTVGLRDSEDALSSIEEIFA