>sp|P43623|METC_YEAST Putative cystathionine beta-lyase OS=Saccharomyces cerevisiae GN=IRC7 MIDRTELSKFGITTQLSVIGRNPDEQSGFVNPPLYKGSTIILKKLSDLEQRKGRFYGTAG SPTIDNLENAWTHLTGGAGTVLSASGLGSISLALLALSKAGDHILMTDSVYVPTRMLCDG LLAKFGVETDYYDPSIGKDIEKLVKPNTTVIFLESPGSGTMEVQDIPALVSVAKKHGIKT ILDNTWATPLFFDAHAHGIDISVEAGTKYLGGHSDLLIGLASANEECWPLLRSTYDAMAM LPGAEDCQLALRGMRTLHLRLKEVERKALDLAAWLGNRDEVEKVLHPAFEDCPGHEYWVR DYKGSSGLFSIVLKNGFTRAGLEKMVEGMKVLQLGFSWGG