>tr|Q2KTN5|Q2KTN5_BORA1 Cystathionine beta-lyase OS=Bordetella avium GN=metC MSDTSAKHIDTLLQHLGSAPFNPDTGAAPVNLPSVRASTVRFQSLAKLEDAQRRKAAGER ASTYGRMGMDTHAALEQVFAELEGGTHCYLASSGLAGISMVFLSLLSAGEHALVADCAYG PVHELHEAVLSRLGIDVTFFDAKADLASLVRPTTRLIFAEAPGSLLFEMLDMPALARFAK QHDLILATDNTWGSGYIYRPLTLGAQVSVIAGTKYVGGHSDLMLGAVVTNDEAIAKRLNR TQYALGYSVSADDAWLALRGVRTMPVRMAQHARHALEVCEFLQNRPEVVRLYHPAWPADP GHALWQRDCSGSNGMLAVQLGLSPQAARDFVNALTLFGIGFSWGGFESLVQLVTPGELAR HQYWQGGSDALVRLHIGLESPADLIADLAQALDRAA