Purity:Purified by Protein A affinity chromatography.
Form:Supplied as a lyophilized powder from PBS, pH 7.4, 0.5% BSA, 0.09% sodium azide. Reconstitute with 1ml sterile ddH2O.
Specificity:Recognizes the C-chain of human complement C1q (25kD in SDS-PAGE). Useful for detection of C1q-bearing immune complexes in patients with rheumatic disorders. Detects C1q in serum, in serum-C1 and within immune complexes.