Threonine protease

Threonine Protease
Crystal structure of human proteasome alpha 1
Identifiers
SymbolThr
Available protein structures:
PDB  1iru​  
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Threonine proteases are a family of proteolytic enzymes harbouring a threonine (Thr) residue within the active site. The prototype members of this class of enzymes are the catalytic subunits of the proteasome, however, the acyltransferases convergently evolved the same active site geometry and mechanism.