Human C1 Inhibitor


SKU: HC1INH Categories: ,

Product Description

Human C1 Inhibitor

Human C1 Inhibitor (also known as plasma protease C1 inhibitor, C1 esterase inhibitor, C1-inhibiting factor, C1-INH, and C1INA) is a single chain glycoprotein which inhibits C1, C1r, C1s, plasma kallikrein, plasmin, Factors XIa and XIIa. Present in plasma at 16-33 mg per 100 ml. C1 esterase inhibitor deficiency is a rare condition resulting in facial swelling and abdominal cramping. Usually the condition is hereditary, though it may also occur when the C1EI is non-functional. Prepared from plasma shown to be non reactive for HbsAG, anti-HCV, anti-HBc, and negative for anti-HIV 1 & 2 by FDA approved tests. >95percent pure by SDS-PAGE.

Please note – this catalog number has replaced our old catalog number HC1EIN.

Gene ID: 710
Swiss-Prot/UniProt ID: P05155

View sample datasheet
View sample certificate of analysis
View material safety data sheet
Ask a question about this product

Additional Information



Molecular Weight

Extinction Coefficient



Shipping Conditions




Sample Size

Sample Concentration

Sample Volume

Gene Name

Gene ID

1. Malaker SA, Pedram K, Ferracane MJ, et al. The mucin-selective protease StcE enables molecular and functional analysis of human cancer-associated mucins. Proc Natl Acad Sci USA. 2019;116(15):7278-7287. Link to article.

You may also like…