Cleavage of the fourth component of human complement (C4) by activated Cls.
D000818:Animals; D002499:Centrifugation, Density Gradient; D002850:Chromatography, Gel; D003165:Complement System Proteins / Q000032:analysis / Q000494:pharmacology; D005260:Female; D006168:Guinea Pigs; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007082:Ileum / Q000187:drug effects; D007120:Immunochemistry; D066298:In Vitro Techniques; D046911:Macromolecular Substances; D009130:Muscle, Smooth / Q000187:drug effects; D051381:Rats; D012867:Skin / Q000187:drug effects; D014599:Uterus / Q000187:drug effects
D046911:Macromolecular Substances; D003165:Complement System Proteins