Enzyme Details

Enzyme (Recommended) Name	complement subcomponent C_overbar_1s_
Alternative names	C1 esterase activated complement C1s complement C_overbar_1r_
EC Classification	3.4.21.42
Classification	Hydrolases Acting on peptide bonds (peptide hydrolases) Serine endopeptidases
Catalyses reactions	H2O + Complement component C2 <-> Complement component C2a + Complement component C2b H2O + Complement component C4 <-> Complement component C4b + Complement component C4a H2O + N-Benzoyl-L-arginine ethyl ester <-> Ethanol + N-Benzoyl-L-arginine H2O + N-Acetyl-Gly-Lys methyl ester <-> Methanol + N-Acetyl-Gly-Lys H2O + N-Carboxybenzyloxyglycine-L-arginine thiobenzyl ester <-> Benzylthiol + N-Carboxybenzyloxyglycine-L-arginine H2O + p-Tosyl-L-arginine methyl ester <-> Methanol + p-Tosyl-L-arginine
External links	Expasy KEGG IntEnz (EBI) IUBMB Reactome HepatoSys
	View all entries for EC Class 3.4.21.42