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C5938 Sigma

Complement factor I from human plasma

>90% (SDS-PAGE)



Biochem/physiol Actions

Protease which cleaves and inactivates C3b and C4b

Other Notes

View more information on the complement pathway at www.sigma-aldrich.com/enzymeexplorer

Physical form

Supplied as a 1mg/ml solution in PBS, pH 7.2


Complement factor I from human plasma has been used in a case study of glucose-starved Staphylococcus aureus. Complement factor I from human plasma has also been used to study the human complement cascade of proteolysis as a target of laser irradiation.

Price and Availability

Safety & Documentation

Safety Information

NONH for all modes of transport


Certificate of Analysis

Certificate of Origin

Protocols & Articles


Plasma Derived Proteins and Enzymes

Despite their complexity, blood and plasma are abundant biological resources for the discovery of drug targets and biomarkers for human disease. It is estimated that plasma may contain as many as 40,...
BioFiles 2006, 1.5, 2.
Keywords: Applications, Gas chromatography, Type

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