>sp|Q07703|METC_BORAV Cystathionine beta-lyase OS=Bordetella avium GN=metC PE=1 SV=3 MSDTSAKHIDTLLQHLGSAPFNPDTGAAPVNLPSVRASTVRFQSLAKLEDAQRRKAAGER ASTYGRMGMDTHAALEQVFAELEGGTHCYLASSGLAGISMVFLSLLSAGEHALVADCAYG PVHELHEAVLSRLGIDVTFFDAKADLASLVRPTTRLIFAEAPGSLLFEMLDMPALARFAK QHDLILATDNTWGSGYIYRPLTLGAQVSVIAGTKYVGGHSDLMLGAVVTNDEAIAKRLNR TQYALGYSVSADDAWLALRGVRTMPVRMAQHARHALEVCEFLQNRPEVVRLYHPAWPADP GHALWQRDCSGSNGMLAVQLGLSPQAARDFVNALTLFGIGFSWGGFESLVQLVTPGELAR HQYWQGGSDALVRLHIGLESPADLIADLAQALDRAA