Fibrillarin Antibody (4A4) [Allophycocyanin]

Novus Biologicals, part of Bio-Techne | Catalog # NBP3-05533APC

Novus Biologicals, part of Bio-Techne

Key Product Details

Species Reactivity

Validated:

Human, Mouse, Rat

Applications

Immunocytochemistry/ Immunofluorescence, Immunohistochemistry, Western Blot

Label

Allophycocyanin (Excitation = 620-650 nm, Emission = 660-670 nm)

Antibody Source

Monoclonal Mouse IgG1 Clone # 4A4

Concentration

Please see the vial label for concentration. If unlisted please contact technical services.

View all Fibrillarin Antibodies »

Product Summary for Fibrillarin Antibody (4A4) [Allophycocyanin]

Immunogen

Recombinant full length human Fibrillarin sequence expressed in and purified from E. coli.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG1

Applications for Fibrillarin Antibody (4A4) [Allophycocyanin]

Application
Recommended Usage

Immunocytochemistry/ Immunofluorescence

Optimal dilutions of this antibody should be experimentally determined.

Immunohistochemistry

Optimal dilutions of this antibody should be experimentally determined.

Western Blot

Optimal dilutions of this antibody should be experimentally determined.
Application Notes
Optimal dilution of this antibody should be experimentally determined.
Please Note: Optimal dilutions of this antibody should be experimentally determined.

Formulation, Preparation, and Storage

Purification

Immunogen affinity purified

Formulation

PBS

Preservative

0.05% Sodium Azide

Concentration

Please see the vial label for concentration. If unlisted please contact technical services.

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Store at 4C in the dark.

Background: Fibrillarin

Nop1p / Fibrillarin was originally identified as a nucleolar protein of bakers yeast, Saccharomyces cerevisiae (accession P15646). The Nop1p protein is essential for yeast viability and is localized in the nucleoli. The human homologue of Nop1p is fibrillarin (accession P22087) a component of the nucleolar small nuclear ribonucleoprotein (snRNP) particle. The human fibrillarin gene is located on chromosome 19 (19q13.1). Fibrillarin proteins have been cloned and sequenced from several other species (Mouse, accession P35550, Xenopus accession P22232, C. elegans accession Q22053, and S. pombe accession P35551). The N terminal 80 amino acids contain multiple copies based on the peptide RGG, and the remaining 240 amino acids consist of the fibrillarin domain. A fibrillarin homologue has also been identified in the genome of the archean Methanococcus (accession NC_000909). This protein lacks the RGG rich N-terminal extension but is clearly homologous to the other sequences throughout all of the fibrillarin domain. The structure of this molecule has been determined and shown to consist of 2 extended beta-sheets flanked by 4 alpha-helixes. Patients with the autoimmune disease scleroderma often have strong circulating autoantibodies to a 34kDa protein which was subsequently found to be fibrillarin. Fibrillarin is an excellent marker for the nucleolus.

Alternate Names

EC 2.1.1,34-kD nucleolar scleroderma antigen, EC 2.1.1.-, EC 2.1.1.37, FIB, FIB1,34 kDa nucleolar scleroderma antigen, fibrillarin, FLRNrRNA 2'-O-methyltransferase fibrillarin, RNA, U3 small nucleolar interacting protein 1, RNU3IP1

Gene Symbol

FBL

Additional Fibrillarin Products

Product Documents for Fibrillarin Antibody (4A4) [Allophycocyanin]

Product Datasheets

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot number in the search box below.

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Product Specific Notices for Fibrillarin Antibody (4A4) [Allophycocyanin]

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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