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Anti-SC35 (phospho) antibody [SC-35] - Nuclear Speckle Marker (ab11826)

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Overview

Product name

Anti-SC35 (phospho) antibody [SC-35] - Nuclear Speckle Marker
See all SC35 products (3) ...

Description

Mouse monoclonal [SC-35] to SC35 (phospho) - Nuclear Speckle Marker

Specificity

In immunohistology and immunoelectronmicroscopy, the antibody labels SC-35 as a speckled pattern that occupies a portion of the nucleoplasm, excluding the nucleoli. Nie et al (2002) report that "In human endometrium the SC35 protein was detected by western blot analysis and had a molecular mass of approximately 90 kDa, indicating that in the endometrial extracts, the 35 kDa protein remains bound to one or more components of the spliceosome."

Tested applications

ICC, ICC/IF, IHC-P, WB, ELISA, IPmore details

Cross reactivity

Reacts with

Mouse, Rat, Human, Xenopus laevis, Fruit fly (Drosophila melanogaster), Rhesus monkey, Newt

Immunogen

Partially purified mammalian spliceosomes.

Epitope

This antibody recognizes a phospho-epitope of the non-snRNP (small nuclear ribonucleoprotein particles) factor SC35. The antibody reacts with the splicing factor SC-35 and with the SC-35-related non-snRNP factor SF2/ASF.

Positive control

Cultured human fibroblasts. This antibody gave a positive signal in the following cell types: HeLa. (IF)

Properties

Form

Liquid

Storage instructions

Store at +4°C short term (1-2 weeks). Aliquot and store at -20°C or -80°C. Avoid repeated freeze / thaw cycles.

Storage buffer

Preservative: 15mM Sodium Azide
Constituents: Ascites

Concentration

Concentration information loading...

Purity

Immunogen affinity purified

Clonality

Monoclonal

Clone number

SC-35

Isotype

IgG1

  • Immunocytochemistry/ Immunofluorescence - SC35 (phospho) antibody [SC-35] - Nuclear Speckle Marker (ab11826)Immunocytochemistry/ Immunofluorescence - SC35 (phospho) antibody [SC-35] - Nuclear Speckle Marker (ab11826) image (enlarge)

  • Immunocytochemistry - SC35 (phospho) antibody [SC-35] - Nuclear Speckle Marker (ab11826)Immunocytochemistry - SC35 (phospho) antibody [SC-35] - Nuclear Speckle Marker (ab11826) image (enlarge)

  • Immunocytochemistry/ Immunofluorescence - SC35 (phospho) antibody [SC-35] - Nuclear Speckle Marker (ab11826)Immunocytochemistry/ Immunofluorescence - SC35 (phospho) antibody [SC-35] - Nuclear Speckle Marker (ab11826) image (enlarge)

Applications

Show applications key

Our Abpromise guarantee covers the use of ab11826 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

  • ICC: 1/2000.

  • ICC/IF: Use a concentration of 1 µg/ml.

  • IHC-P

     IHC-P: 1/500.

    IHC-P: 1/500.

  • WB: 1/1000. Detects a band of approximately 35 kDa (predicted molecular weight: 26 kDa).Lysis buffer: 6.0% (w/v) SDS, 0.14 mol Tris (pH 6.8), 22.4% (v/v) glycerol, protease inhibitor cocktail. Centrifuge at 14 000 g for 15 min at 48C. Block non-specific binding sites with 5% (w/v) skimmed milk powder in TBS with 0.1% (v/v) Tween 20 for 1 h. Incubate blots with primary antibody (diluted in 5% (w/v) skimmed milk powder in TBS with 0.1% (v/v) Tween 20) for 1 h at room temperature.

  • ShowHide

    ELISA

     ELISA: Use at an assay d...Read more →

    ELISA: Use at an assay dependent dilution.

  • ShowHide

    AP

     AP: Use at an assay depe...Read more →

    AP: Use at an assay dependent dilution.

  • ShowHide

    IP

     IP: Use at an assay depe...Read more →

    IP: Use at an assay dependent dilution. See Fu and Maniatis 1992 reference.

Target

Function

Necessary for the splicing of pre-mRNA. It is required for formation of the earliest ATP-dependent splicing complex and interacts with spliceosomal components bound to both the 5'- and 3'-splice sites during spliceosome assembly. It also is required for ATP-dependent interactions of both U1 and U2 snRNPs with pre-mRNA. Interacts with other spliceosomal components, via the RS domains, to form a bridge between the 5'- and 3'-splice site binding components, U1 snRNP and U2AF. Binds to purine-rich RNA sequences, either 5'-AGSAGAGTA-3' (S=C or G) or 5'-GTTCGAGTA-3'. Can bind to beta-globin mRNA and commit it to the splicing pathway.

Sequence similarities

Belongs to the splicing factor SR family.
Contains 1 RRM (RNA recognition motif) domain.

Post-translational
modifications

Extensively phosphorylated on serine residues in the RS domain.

Cellular localization

Nucleus.

Target information above from: UniProt accessionQ01130 The UniProt Consortium
The Universal Protein Resource (UniProt) in 2010
Nucleic Acids Res. 38:D142-D148 (2010).

Information by UniProt

Alternative names

  • 35 kDa antibody
  • arginine/serine-rich 2 antibody
  • PR264 antibody
  • Protein PR264 antibody
  • SC 35 antibody
  • SC-35 antibody
  • SC35 antibody
  • Serine/arginine-rich splicing factor 2 antibody
  • SFRS 2 antibody
  • SFRS2 antibody
  • SFRS2A antibody
  • Splicing component 35 kDa antibody
  • Splicing component antibody
  • Splicing factor antibody
  • Splicing factor arginine/serine rich 2 antibody
  • Splicing factor SC35 antibody
  • Splicing speckle antibody
  • Splicing speckles antibody
  • SR splicing factor 2 antibody
  • SRp30b antibody
  • SRSF2 antibody
  • SRSF2_HUMAN antibody
see all

Anti-SC35 (phospho) antibody [SC-35] - Nuclear Speckle Marker images:

  Immunocytochemistry/ Immunofluorescence - SC35 (phospho) antibody [SC-35] - Nuclear Speckle Marker (ab11826)

Immunocytochemistry/ Immunofluorescence - SC35 (phospho) antibody [SC-35] - Nuclear Speckle Marker (ab11826)

ab11826 (1/1000) staining SC35 (phospho) in Human retinal pigment epithelial (RPE) cells (green). Cells were fixed in paraformaldehyde, permeabilised with 0.5% Triton X-100/PBS and counterstained with DAPI in order to highlight the nucleus (blue). Please refer to abreview for further experimental details.

This image is courtesy of an Abreview submitted by Dr Kirk McManus

See Abreview

  Immunocytochemistry - SC35 (phospho) antibody [SC-35] - Nuclear Speckle Marker (ab11826)

Immunocytochemistry - SC35 (phospho) antibody [SC-35] - Nuclear Speckle Marker (ab11826)

ab11826 staining cultured human colon adenocarcinoma HT29 cells.  Cells were PFA fixed and permeabillized in Triton X100 and Saponin prior to blocking with 1% BSA for 1 hour at RT.  The primary antibody was diluted 1/200 and incubated with the sample for 16 hours at 4°C.  An Alexa Fluor® 594 conjugated goat anti-mouse IgG3 antibody was used as the secondary.

This image is courtesy of an Abreview submitted by Dr Eva Bartova

See Abreview

  Immunocytochemistry/ Immunofluorescence - SC35 (phospho) antibody [SC-35] - Nuclear Speckle Marker (ab11826)

Immunocytochemistry/ Immunofluorescence - SC35 (phospho) antibody [SC-35] - Nuclear Speckle Marker (ab11826)

HeLa cells were fixed 24–48 hours after transfection using 4% paraformaldehyde, permeabilised with 0.2% triton X-100/PBS and probed with ab11826 followed by FITC conjugated secondary antibodies (green). After washing with PBS, slides were mounted using Citifluor and analysed by confocal microscopy. Cells were visualised under a Leica laser scanning confocal microscope equipped with a DM-RXE microscope and an argon-krypton laser.

Image from de Chiara C et al, PLoS One. 2009 Dec 23;4(12):e8372, Fig 3.

  Immunocytochemistry/ Immunofluorescence - Anti-SC35 (phospho) antibody [SC-35] - Nuclear Speckle Marker (ab11826)

Immunocytochemistry/ Immunofluorescence - Anti-SC35 (phospho) antibody [SC-35] - Nuclear Speckle Marker (ab11826)

ICC/IF image of ab11826 stained HeLa cells. The cells were 100% methanol fixed (5 min) and then incubated in 1%BSA / 10% normal goat serum / 0.3M glycine in 0.1% PBS-Tween for 1h to permeabilise the cells and block non-specific protein-protein interactions. The cells were then incubated with the antibody ab11826 at 1µg/ml overnight at +4°C. The secondary antibody (green) was DyLight® 488 goat anti- mouse (ab96879) IgG (H+L) used at a 1/1000 dilution for 1h. Alexa Fluor® 594 WGA was used to label plasma membranes (red) at a 1/200 dilution for 1h. DAPI was used to stain the cell nuclei (blue) at a concentration of 1.43µM.

References for Anti-SC35 (phospho) antibody [SC-35] - Nuclear Speckle Marker (ab11826)

This product has been referenced in:

  • Park R  et al. Efficient Induction of Nuclear Aggresomes by Specific Single Missense Mutations in the DNA-binding Domain of a Viral AP-1 Homolog. J Biol Chem 286:9748-62 (2011). ICC/IF; Human.Read more (PubMed: 21233201) »
  • Burgess HM  et al. Nuclear relocalisation of cytoplasmic poly(A)-binding proteins PABP1 and PABP4 in response to UV irradiation reveals mRNA-dependent export of metazoan PABPs. J Cell Sci 124:3344-55 (2011). ICC/IF; Human.Read more (PubMed: 21940797) »

See all 20 publications for this product

Publishing research using ab11826? Please let us know so that we can cite the reference in this datasheet

Please note: All products are "FOR RESEARCH USE ONLY AND ARE NOT INTENDED FOR DIAGNOSTIC OR THERAPEUTIC USE"