Subtilisin
SubtilisinĀ is aĀ proteaseĀ (aĀ protein-digestingĀ enzyme) initially obtained fromĀ Bacillus subtilis. Subtilisins belong toĀ subtilases, a group ofĀ serine proteasesĀ that ā like all serine proteases ā initiate theĀ nucleophilicĀ attack on theĀ peptideĀ (amide) bond through a serineĀ residueĀ a
Three-finger proteins and three-finger toxins
Three-finger proteins or three-finger protein domains (3FP or TFPD) are a protein superfamily consisting of small, roughly 60-80 amino acid residue protein domains with a common tertiary structure: three beta strand loops extended from

