Whole IgG antibodies are isolated as intact molecules from antisera by immunoaffinity chromatography. They have an Fc portion and two antigen binding Fab portions joined together by disulfide bonds and therefore they are divalent. The average molecular weight is reported to be about 160 kDa. The whole IgG form of antibodies is suitable for the majority of immunodetection procedures and is the most cost effective.
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Images
Western blot analysis of GAPDH and HSP90 on different lysates at 1/20,000 dilution.
Lane 1: HeLa cell lysate Lane 2: HeLa treated with 10μM MG-132 for 6 hours cell lysate Lane 3: NIH/3T3 cell lysate Lane 4: NIH/3T3 treated with 10μM MG-132 for 8 hours cell lysate Lane 5: C6 cell lysate Lane 6: C6 treated with 25μM MG-132 for 4 hours cell lysate
Lysates/proteins at 20 µg/Lane.
Predicted band size: 37/90 kDa Observed band size: 37/90 kDa
4-20% SDS-PAGE gel.
Proteins were transferred to a PVDF membrane and blocked with 5% NFDM/TBST for 1 hour at room temperature. The primary antibody (GAPDH / HSP90) at 1/20,000 dilution was used in 5% NFDM/TBST at room temperature for 2 hours. Goat Anti-Rabbit IgG - iFluor™ 680se Secondary Antibody (HA1150) at 1/5,000 dilution was used for 1 hour at room temperature and then imaged using the Licor Odyssey CLx.
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