Reactivity: | Human |
Applications: | WB, FC, IC |
Host Species: | Mouse |
Isotype: | IgG1 kappa |
Clonality: | Monoclonal antibody |
Gene Name: | prolyl 4-hydroxylase subunit beta |
Gene Symbol: | P4HB |
Synonyms: | DSI; GIT; PDI; PHDB; PDIA1; PO4DB; PO4HB; PROHB; CLCRP1; ERBA2L; P4Hbeta |
Gene ID: | 5034 |
UniProt ID: | P07237 |
Clone ID: | 24GB2780 |
Immunogen: | Recombinant protein of human PDI |
Dilution: | WB 1:2,500-1:5,000; FC 1:2,000; IC 1:100-1:1,000 |
Purification Method: | Affinity purified |
Concentration: | Lot dependent |
Buffer: | PBS with 0.01% thimerosal, 50% glycerol, pH7.3. |
Storage: | Store at -20°C. Avoid freeze/thaw cycles. |
Background
This gene encodes the beta subunit of prolyl 4-hydroxylase, a highly abundant multifunctional enzyme that belongs to the protein disulfide isomerase family. When present as a tetramer consisting of two alpha and two beta subunits, this enzyme is involved in hydroxylation of prolyl residues in preprocollagen. This enzyme is also a disulfide isomerase containing two thioredoxin domains that catalyze the formation, breakage and rearrangement of disulfide bonds. Other known functions include its ability to act as a chaperone that inhibits aggregation of misfolded proteins in a concentration-dependent manner, its ability to bind thyroid hormone, its role in both the influx and efflux of S-nitrosothiol-bound nitric oxide, and its function as a subunit of the microsomal triglyceride transfer protein complex.
Images
![]() | Western blotting analysis using anti-P4HB antibody (Cat#62838). Total cell lysates (30 μg) from various cell lines were loaded and separated by SDS-PAGE. The blot was incubated with anti-P4HB antibody (Cat#62838, 1:5,000) and HRP-conjugated goat anti-mouse secondary antibody (Cat#101, 1:20,000) respectively. Image was developed using FeQ™ ECL Substrate Kit (Cat#226). |
![]() | Western blotting analysis using anti-P4HB antibody (Cat#62838). P4HB expression in wild type (WT) and P4HB shRNA knockdown (KD) HT-1080 cells with 30 μg of total cell lysates. Hsp90 α serves as a loading control. The blot was incubated with anti-P4HB antibody (Cat#62838, 1:5,000) and HRP-conjugated goat anti-mouse secondary antibody (Cat#101, 1:20,000) respectively. Image was developed using FeQ™ ECL Substrate Kit (Cat#226). |
![]() | Flow cytometric analysis of P4HB expression in HepG2 cells using anti-P4HB antibody (Cat#62838, 1:2,000). Green, isotype control; red, P4HB. |
![]() | Immunocytochemical staining of HepG2 cells with anti-P4HB antibody (Cat#62838, 1:1,000). Nuclei were stained blue with DAPI; P4HB 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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