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| Reactivity: | Human |
| Applications: | WB, IC |
| Host Species: | Rabbit |
| Isotype: | IgG |
| Clonality: | Monoclonal antibody |
| Gene Name: | complement component 4 binding protein beta |
| Gene Symbol: | C4BPB |
| Synonyms: | C4BP |
| Gene ID: | 725 |
| UniProt ID: | P20851 |
| Clone ID: | 24GB5940 |
| Immunogen: | A synthesized peptide derived from human C4 binding protein |
| Dilution: | WB 1:500-1:2,500; IC 1:100-1:1,000 |
| Purification Method: | Affinity purified |
| Concentration: | Lot dependent |
| Buffer: | PBS with 0.09% Sodium azide, 50% glycerol, pH7.3. |
| Storage: | Store at -20°C. Avoid freeze/thaw cycles. |
Background
This gene C4BPB encodes a member of a superfamily of proteins composed predominantly of tandemly arrayed short consensus repeats of approximately 60 amino acids. A single, unique beta-chain encoded by this gene assembles with seven identical alpha-chains into the predominant isoform of C4b-binding protein, a multimeric protein that controls activation of the complement cascade through the classical pathway. C4b-binding protein has a regulatory role in the coagulation system also, mediated through the beta-chain binding of protein S, a vitamin K-dependent protein that serves as a cofactor of activated protein C. The genes encoding both alpha and beta chains are located adjacent to each other on human chromosome 1 in the regulator of complement activation gene cluster. Alternative splicing gives rise to multiple transcript variants.
Images
 | Western blotting analysis using anti-C4BPB antibody (Cat#61133). Total cell lysates (30 μg) from various cell lines were loaded and separated by SDS-PAGE. The blot was incubated with anti-C4BPB antibody (Cat#61133, 1:2,500) and HRP-conjugated goat anti-rabbit secondary antibody (Cat#201, 1:20,000) respectively. Image was developed using NaQ™ ECL Substrate Kit (Cat#716). |
 | Western blotting analysis using anti-C4BPB antibody (Cat#61133). C4BPB expression in wild-type (WT) and C4BPB shRNA knockdown (KD) HepG2 cells with 30 μg of total cell lysates. Hsp90 α serves as a loading control. The blot was incubated with anti-C4BPB antibody (Cat#61133, 1:2,500) and HRP-conjugated goat anti-rabbit secondary antibody (Cat#201, 1:20,000) respectively. Image was developed using NaQ™ ECL Substrate Kit (Cat#716). |
 | Immunocytochemical staining of HepG2 cells with C4BPB antibody (Cat#61133, 1:1,000). Nuclei were stained blue with DAPI; C4BPB was stained magenta with Alexa Fluor® 647. Images were taken using Leica stellaris 5. Protein abundance based on laser Intensity and smart gain: Medium. Scale bar: 20 μm. |
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