title: Purification of the first component of human complement and its subunit C1 esterase.
mesh_terms: D000327:Adsorption; D000578:Amidines; D000906:Antibodies; D000936:Antigen-Antibody Complex; D002846:Chromatography, Affinity; D003165:Complement System Proteins / Q000302:isolation & purification*; D004950:Esterases / Q000302:isolation & purification*; D006801:Humans; D007074:Immunoglobulin G; D008024:Ligands; D010446:Peptide Fragments / Q000302:isolation & purification; D012685:Sepharose
chemical_list: D000578:Amidines; D000906:Antibodies; D000936:Antigen-Antibody Complex; D007074:Immunoglobulin G; D008024:Ligands; D010446:Peptide Fragments; D003165:Complement System Proteins; D012685:Sepharose; D004950:Esterases