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| description Complement C3b, Human, is a native C3b complement component. It is a glycoprotein composed of the modified C3-α chain (αʹ) (M.W. 105,000) and the intact C3-β chain (M.W. 75,000). | description Complement iC3b, Human, is a native form that is formed by the cleavage of C3b by Factor I in the presence of Factor H, CR1, or membrane cofactor protein. | description Complement C3, Human, CAS 80295-41-6, is a native C3 component. Glycoprotein composed of two non-identical disulfide-bonded subunits of 115 kDa (α) and 75 kDa (β). | description Complement C3a des-Arg, Human, is a single chain native des-Arg C3 complement component |
| assay ≥90% (SDS-PAGE) | assay ≥90% (SDS-PAGE) | assay ≥85% (SDS-PAGE) | assay ≥90% (SDS-PAGE) |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 100 |
| form liquid | form liquid | form liquid | form liquid |
| impurities IgG, IgA, IgM, C5, Factor H, or Factor I, trace | impurities IgG, IgA, IgM, C5, Factor H, or Factor I, trace | impurities IgG, IgA, IgM, C4, functionally active C5, albumin or ceruloplasmin, trace | impurities - |
| storage condition OK to freeze, avoid repeated freeze/thaw cycles | storage condition avoid repeated freeze/thaw cycles, OK to freeze | storage condition avoid repeated freeze/thaw cycles, OK to freeze | storage condition OK to freeze, avoid repeated freeze/thaw cycles |
| storage temp. −70°C | storage temp. −70°C | storage temp. −70°C | storage temp. −70°C |