Corynebacterium diphtheriae toxin Ab:ACnc:Pt:Ser:Qn
corynebacterium diphtheriae toxin ab:acnc:pt:ser:qn
Corynebacterium diphtheriae toxin Ab:ACnc:Pt:Ser:Qn
corynebacterium diphtheriae toxin ab:acnc:pt:ser:qn