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Fibrillarin (C13C3) Rabbit mAb (Alexa Fluor® 647 Conjugate)

Fibrillarin (C13C3) Rabbit mAb (Alexa Fluor® 647 Conjugate) #14612

This product is discontinued


Supplied in PBS (pH 7.2), less than 0.1% sodium azide and 2 mg/ml BSA. Store at 4°C. Do not aliquot the antibody. Protect from light. Do not freeze.

Fibrillarin (C13C3) Rabbit mAb (Alexa Fluor® 647 Conjugate) detects endogenous levels of total fibrillarin protein.

Monoclonal antibody is produced by immunizing animals with a synthetic peptide surrounding Thr298 of human fibrillarin.

This Cell Signaling Technology antibody is conjugated to Alexa Fluor® 647 fluorescent dye and tested in-house for direct immunofluorescent analysis in human cells. The antibody is expected to exhibit the same species cross-reactivity as the unconjugated Fibrillarin (C13C3) Rabbit mAb #2639.

Fibrillarin is a 2'-O-methyltransferase located in fibrillar regions and Cajal bodies of the nucleolus, where RNA transcription and pre-RNA processing take place (1,2). Fibrillarin associates with several other structural proteins as well as box C/D snoRNA to form a complex that functions in pre-rRNA processing, pre-rRNA methylation, and ribosome assembly. This complex catalyzes site-specific 2'-O-ribose methylation of targeted nucleotides within the rRNA sequence (3,4). The sequence, structure, and function of fibrillarin are highly conserved and fibrillarin gene expression is essential for early embryonic development (5).

  1. Tollervey, D. et al. (1993) Cell 72, 443-57.
  2. Wang, H. et al. (2000) EMBO J 19, 317-23.
  3. Lafontaine, D.L. and Tollervey, D. (2000) Mol Cell Biol 20, 2650-9.
  4. Galardi, S. et al. (2002) Mol Cell Biol 22, 6663-8.
  5. Newton, K. et al. (2003) Mol Cell Biol 23, 8519-27.
Entrez-Gene Id
Swiss-Prot Acc.
For Research Use Only. Not For Use In Diagnostic Procedures.

Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
Alexa Fluor is a registered trademark of Life Technologies Corporation.
DyLight is a trademark of Thermo Fisher Scientific, Inc. and its subsidiaries.
The Alexa Fluor dye conjugates in this product are sold under license from Life Technologies Corporation, for research use only excluding use in combination with DNA microarrays and high content screening (HCS).
This product is provided under an intellectual property license from Life Technologies Corporation. The transfer of this product is conditioned on the buyer using the purchased product solely in research conducted by the buyer, excluding contract research or any fee for service research, and the buyer must not (1) use this product or its components for (a) diagnostic, therapeutic or prophylactic purposes; (b) testing, analysis or screening services, or information in return for compensation on a per-test basis; or (c) manufacturing or quality assurance or quality control, and/or (2) sell or transfer this product or its components for resale, whether or not resold for use in research. For information on purchasing a license to this product for purposes other than as described above, contact Life Technologies Corporation, 5791 Van Allen Way, Carlsbad, CA 92008 USA or

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