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Product Description
Fibronectins are disulfide-linked, dimeric glycoproteins of ~440 kDa. They possess at least four binding sites for collagen, glycosaminoglycans, transglutaminase, and a cell surface receptor. Epitope of this MAb is located in the 2nd-3rd type-III repeats of fibronectin. Fibronectins are extracellular matrix glycoproteins that are essential for embryonic development. Fibronectins are also involved in cell adhesion, tissue organization, and wound healing. Fibronectins are present in basement membranes, interstitial connective tissue matrix, and blood. Cellular fibronectin is widely distributed in the stroma of many malignant tumors. This MAb reacts with human cellular fibronectin, but not plasma fibronectin.
Primary antibodies are available purified, or with a selection of fluorescent CF® dyes and other labels. CF® dyes offer exceptional brightness and photostability. See the CF® Dye Brochure for more information. Note: Conjugates of blue fluorescent dyes like CF®405S and CF®405M are not recommended for detecting low abundance targets, because blue dyes have lower fluorescence and can give higher non-specific background than other dye colors.
Stock status: Because Biotium offers a large number of antibody and conjugation options, primary antibody conjugates may be made to order. Typical lead times are up to one week for CF ® dye and biotin conjugates, and up to 2-3 weeks for fluorescent protein and enzyme conjugates. Please email order@biotium.com to inquire about stock status and lead times before placing your order.
Catalog number key for antibody number 2848, Anti-Fibronectin (Fn-3)
| Antibody # prefix | Conjugation | Ex/Em (nm) | Laser line | Detection channel | Dye Features |
| BNC04 | CF®405S | 404/431 | 405 | DAPI (microscopy), AF405 | CF®405S Features |
| BNC88 | CF®488A | 490/515 | 488 | GFP, FITC | CF®488A Features |
| BNC68 | CF®568 | 562/583 | 532, 561 | RFP, TRITC | CF®568 Features |
| BNC94 | CF®594 | 593/614 | 561 | Texas Red® | CF®594 Features |
| BNC40 | CF®640R | 642/662 | 633-640 | Cy®5 | CF®640R Features |
| BNC47 | CF®647 | 650/665 | 633-640 | Cy®5 | CF®647 Features |
| BNC74 | CF®740 | 742/767 | 633-685 | 775/50 | CF®740 Features |
| BNCB | Biotin | N/A | N/A | N/A | |
| BNUB | Purified | N/A | N/A | N/A | |
| BNUM | Purified,
BSA-free | N/A | N/A | N/A | |
Alexa Fluor, Pacific Blue, Pacific Orange, and Texas Red are trademarks or registered trademarks of Thermo Fisher Scientific; Cy is a registered trademark of Cytiva; IRDye, LI-COR, and Odyssey are registered trademarks of LI-COR Bioscience.
Technology
Considerations for Immunofluorescence Staining
Primary & Secondary Antibody Conjugates
Tech Tips
Troubleshooting Tips for Fluorescence Staining
Protocol: Immunofluorescence Staining of Cells for Microscopy
Tech Tip: Avoiding Artifacts from UV Photoconversion of DAPI and Hoechst
Tech Tip: Fluorescence Bleed-Through and Cross-Talk
Product Attributes
Antibody reactivity (target)
Fibronectin
Molecular weight
220 kDa (monomer); 440 kDa (dimer)
Synonyms
Cold insoluble globulin (CIG); FINC; FN1; FNZ; GFND; GFND2; LETS; Migration stimulating factor (MSF); Ugl-Y3
Immunogen
FR5 cells, derived by SV40 transformation of human mammary epithelial cells.
Antibody target cellular localization
Extracellular matrix
Expected antibody applications
IF (published for clone), WB (published for clone)
Positive control
SW156 cells. Kidney.
Shipping condition
Room temperature
Storage Conditions
Note: store BSA-free antibodies at -10 to -35°C, Store at 2 to 8 °C, Protect fluorescent conjugates from light
Regulatory status
For research use only (RUO)
Antibody/conjugate formulation
Conjugates: 0.1 mg/mL in PBS/0.1% BSA/0.05% azide, HRP conjugates: 0.1 mg/mL in PBS/0.05% BSA, Purified: 0.2 mg/mL in PBS/0.05% BSA/0.05% azide, Purified, BSA-free: 1 mg/mL in PBS without azide
Shelf life
Guaranteed for at least 24 months from date of receipt when stored as recommended
Product origin
Product may contain either bovine serum albumin (BSA) from bovine serum (Bos taurus), or recombinant BSA produced in Chinese hamster ovary cells. Inquire for the specific lot.
Antibody research areas
Cell adhesion, Extracellular matrix
Documents, Protocols, SDS and COA
Datasheet
Datasheet Download
COARequest the Certificate of Analysis
References
Note: References for this clone sold by other suppliers may be listed for expected applications.
- Am J Physiol Cell Physiol (2002) 282: C654-C664. (IF; WB)
- Meth Mol Biol (2009) https://doi.org/10.1007/978-1-59745-413-1_18 (IF)
- J Tissue Eng Regen Med. (2020) 14:761-773. (IF, frozen tissue sections)
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