L-serine ammonia-lyase XWPRRDADTW CAPQVWDEAN LRAQELAKRD GWENVPPFDH PLIWKGHASL VQELKAVLRT PPGALVLAVG GGGLLAGVVA GLLEVGWQHV PIIAMETHGA HCFNAAITAG KLVTLPDITS VAKSLGAKTV AARALECMQV CKIHSEVVED TEAVSAVQQL LDDERMLVEP ACGAALAAIY SGLLRRLQAE GCLPPSLTSV VVIVCGGNNI NSRELQALKT HLGQV