特異性：Recognizes a C3a determinant which is present also on native C3. Allows discrimination of ubiquitous or nonspecifically bound native C3 from biologically active C3b fragment, C3b or C are negative with H13. Reported to block C3a functional activity.
純度：Affinity Purified Purified by Protein A affinity chromatography.
形状：Supplied as a lyophilized powder from PBS, 0.5% BSA, 0.09% sodium azide. Reconstitute with 1ml sterile ddH2O.
