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Antibody Product Overview
| ELK.No | ES4739 |
| Product name | COL4A4 rabbit pAb |
| Reactivity | Human;Rat;Mouse; |
| Applications | IHC;IF;ELISA |
| Other name | COL4A4; Collagen alpha-4(IV) chain |
| Size | 50μL |
| Unit price ($) | 148 |
| Human gene ID | 1286 |
| Human Swiss-Prot | P53420 |
| Source | Rabbit |
| Isotype | IgG |
| Target | COL4A4 |
| Fields | >>PI3K-Akt signaling pathway;>>Focal adhesion;>>ECM-receptor interaction;>>Relaxin signaling pathway;>>AGE-RAGE signaling pathway in diabetic complications;>>Protein digestion and absorption;>>Amoebiasis;>>Human papillomavirus infection;>>Pathways in cancer;>>Small cell lung cancer |
| Gene name | COL4A4 |
| Protein name | Collagen alpha-4(IV) chain |
| Human gene link | View Human Gene |
| Human Swiss link | View Human Swiss-Prot |
| Mouse gene ID | |
| Mouse gene link | |
| Mouse Swiss-Prot | Q9QZR9 |
| Mouse Swiss link | View Mouse Swiss-Prot |
| Rat gene ID | |
| Rat gene link | |
| Rat Swiss-Prot | |
| Rat Swiss link | |
| Immunogen | The antiserum was produced against synthesized peptide derived from human Collagen IV alpha4. AA range:541-590 |
| Specificity | COL4A4 Polyclonal Antibody detects endogenous levels of COL4A4 protein. |
| Formulation | Liquid in PBS containing 50% glycerol, 0.5% BSA and 0.02% sodium azide. |
| Clonality | Polyclonal |
| Dilution | Immunohistochemistry: 1/100 - 1/300. Immunofluorescence: 1/200 - 1/1000. ELISA: 1/5000. Not yet tested in other applications. |
| Purification | The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen. |
| Concentration | 1 mg/ml |
| Storage stability | -20°C/1 year |
| Molecular Weight (Da) | 164kD |
| Observed band (KD) | |
| Background | This gene encodes one of the six subunits of type IV collagen, the major structural component of basement membranes. This particular collagen IV subunit, however, is only found in a subset of basement membranes. Like the other members of the type IV collagen gene family, this gene is organized in a head-to-head conformation with another type IV collagen gene so that each gene pair shares a common promoter. Mutations in this gene are associated with type II autosomal recessive Alport syndrome (hereditary glomerulonephropathy) and with familial benign hematuria (thin basement membrane disease). Two transcripts, differing only in their transcription start sites, have been identified for this gene and, as is common for collagen genes, multiple polyadenylation sites are found in the 3' UTR. [provided by RefSeq, Jul 2008], |
| Function | disease:Defects in COL4A4 are a cause of Alport syndrome autosomal recessive (APSAR) [MIM:203780]. APSAR is characterized by progressive glomerulonephritis, glomerular basement membrane defects, renal failure, sensorineural deafness and specific eye abnormalities (lenticonous and macular flecks). The disorder shows considerable heterogeneity in that families differ in the age of end-stage renal disease and the occurrence of deafness.,disease:Defects in COL4A4 are a cause of benign familial hematuria (BFH) [MIM:141200]; also known as thin basement membrane disease. BFH is characterized by persistent hematuria, an electron microscopically detectable thin glomerular basement membrane (GBM) and an autosomal dominant mode of inheritance. Renal function remains normal. In children, differentiation between BFH and AS can be difficult, because both disorders are manifested by persistent hematuri |
| Subcellular location | Secreted, extracellular space, extracellular matrix, basement membrane . Colocalizes with COL4A4 and COL4A5 in GBM, tubular basement membrane (TBM) and synaptic basal lamina (BL). . |
| Expression | Expressed in Bruch's membrane, outer plexiform layer, inner nuclear layer, inner plexiform layer, ganglion cell layer, inner limiting membrane and around the blood vessels of the retina (at protein level) (PubMed:29777959). Alpha 3 and alpha 4 type IV collagens are colocalized and present in kidney, eye, basement membranes of lens capsule, cochlea, lung, skeletal muscle, aorta, synaptic fibers, fetal kidney and fetal lung. PubMed:8083201 reports similar levels of expression of alpha 3 and alpha 4 type IV collagens in kidney, but PubMed:7523402 reports that in kidney levels of alpha 3 type IV collagen are significantly lower than those of alpha 4 type IV collagen. Highest levels of expression of alpha 4 type IV collagen are detected in kidney, calvaria, neuroretina and cardiac muscle. Lower |
Additional Images
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Immunofluorescence analysis of COS7 cells, using Collagen IV alpha4 Antibody. The picture on the right is blocked with the synthesized peptide.
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Immunohistochemistry analysis of paraffin-embedded human brain tissue, using Collagen IV alpha4 Antibody. The picture on the right is blocked with the synthesized peptide.
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: AO-06-ES4739-50
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