06-1365 | Anti-SRp40 Antibody

100 µL  
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      Replacement Information

      Key Spec Table

      Species ReactivityKey ApplicationsHostFormatAntibody Type
      H, MWB, IPRbPurifiedPolyclonal Antibody
      Catalogue Number06-1365
      DescriptionAnti-SRp40 Antibody
      Alternate Names
      • serine/arginine-rich splicing factor 5
      • Pre-mRNA-splicing factor SRP40
      • Delayed-early protein HRS
      • SR splicing factor 5
      • splicing factor, arginine/serine-rich 5
      Background InformationSRp40 is a nuclear phosphoprotein that is a member of the SR family of proteins. Essential for alternative splicing regulation this protein is also known as Serine/arginine-rich splicing factor 5, and Delayed-early protein HRS. The SRp40 protein is a component of the spliceosome complex and appears to play a role in splice site selection. Over-expression of SRp40 is thought to cause increased chondrogenic differentiation of mesenchymal cells. In addition, increased expression of SRp40 has been found in breast tumor tissues and is associated with alternative pre-mRNA splicing of CD44.
      Product Information
      • HeLa cell lysate
      PresentationPurified rabbit polyclonal in buffer containing 0.1 M Tris-Glycine (pH 7.4), 150 mM NaCl with 0.05% sodium azide.
      ApplicationUse Anti-SRp40 Antibody (Rabbit Polyclonal Antibody) validated in WB, IP to detect SRp40 also known as serine/arginine-rich splicing factor 5, Pre-mRNA-splicing factor SRP40.
      Key Applications
      • Western Blotting
      • Immunoprecipitation
      Application NotesImmunoprecipitation Analysis:
      A representative lot was used by an independent laboratory in IP. (Jiang, K., et al. (2009). Endocrinology. 150(5):2087-2097.)
      Biological Information
      ImmunogenLinear peptide corresponding to human SRp40.
      Species Reactivity
      • Human
      • Mouse
      Antibody TypePolyclonal Antibody
      Entrez Gene Number
      Entrez Gene SummaryThe protein encoded by this gene is a member of the serine/arginine (SR)-rich family of pre-mRNA splicing factors, which constitute part of the spliceosome. Each of these factors contains an RNA recognition motif (RRM) for binding RNA and an RS domain for binding other proteins. The RS domain is rich in serine and arginine residues and facilitates interaction between different SR splicing factors. In addition to being critical for mRNA splicing, the SR proteins have also been shown to be involved in mRNA export from the nucleus and in translation. Two transcript variants encoding the same protein have been found for this gene. [provided by RefSeq].
      Gene Symbol
      • SRP40
      • SRSF5
      • HRS
      • SFRS5
      Purification MethodProtein A
      UniProt Number
      UniProt SummaryFUNCTION: Plays a role in constitutive splicing and can modulate the selection of alternative splice sites.

      SUBUNIT STRUCTURE: Interacts (via RS domain) with PHF5A (via N-terminus) (By similarity). Found in a pre-mRNA splicing complex with SRSF4/SFRS4, SRSF5/SFRS5, SNRNP70, SNRPA1, SRRM1 and SRRM2.


      PTM: Extensively phosphorylated on serine residues in the RS domain (By similarity).

      SEQUENCE SIMILARITIES: Belongs to the splicing factor SR family.

      Contains 2 RRM (RNA recognition motif) domains.

      SEQUENCE CAUTION: The sequence AAC39543.1 differs from that shown. Reason: Frameshift at positions 113 and 140.
      Molecular Weight~38 kDa observed
      Physicochemical Information
      Materials Information
      Toxicological Information
      Safety Information according to GHS
      Safety Information
      Product Usage Statements
      Quality AssuranceEvaluated by Western Blot in HeLa cell lysate.

      Western Blot Analysis: 1:500 dilution of this antibody detected SRp40 on 10 µg of HeLa cell lysate.
      Usage Statement
      • Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
      Storage and Shipping Information
      Storage ConditionsStable for 1 year at 2-8°C from date of receipt.
      Packaging Information
      Material Size100 µL
      Transport Information
      Supplemental Information