Reversible loss of activity of the first component of complement (C'1) as a function of ionic strength.
D000818:Animals; D002021:Buffers; D002118:Calcium / Q000494:pharmacology; D002501:Centrifugation, Zonal; D002850:Chromatography, Gel; D003169:Complement Inactivator Proteins; D004912:Erythrocytes / Q000276:immunology; D006168:Guinea Pigs; D006863:Hydrogen-Ion Concentration; D007477:Ions / Q000494:pharmacology; D008274:Magnesium / Q000494:pharmacology; D012965:Sodium Chloride
D002021:Buffers; D003169:Complement Inactivator Proteins; D007477:Ions; D012965:Sodium Chloride; D008274:Magnesium; D002118:Calcium