Structural and electrostatic differences between actinidin and papain account for differences in activity.
Pickersgill
R W
RW
Sumner
I G
IG
Collins
M E
ME
Goodenough
P W
PW
D003546:Cysteine Endopeptidases / Q000378:metabolism*; D004560:Electricity; D010206:Papain / Q000378:metabolism*
D003546:Cysteine Endopeptidases; C018745:actinidain; D010206:Papain