Stathmin 1 Recombinant Protein Antigen

• Reactivity: Hu
• Applications: AC

Stathmin 1 Recombinant Protein Antigen Summary

• Description: A recombinant protein antigen with a N-terminal His6-ABP tag corresponding to human Stathmin 1
  
  

  Source: E. coli

  Amino Acid Sequence: AFELILSPRSKESVPEFPLSPPKKKDL

  Fusion Tag: N-terminal His6ABP (ABP = Albumin Binding Protein derived from Streptococcal Protein G)

  This product is intended to be used as a blocking antigen for antibody competition assays. Any other use of this antigen is done at the risk of the user. The use of this product for commercial production is strictly prohibited. Please contact technical support if you have any questions.

• Source: E. coli
• Protein/Peptide Type: Recombinant Protein Antigen
• Gene: STMN1
• Purity: >80% by SDS-PAGE and Coomassie blue staining

Applications/Dilutions

• Dilutions:
  • Antibody Competition 10-100 molar excess
• Application Notes: This recombinant antigen is only intended to be used as a blocking agent to confirm antibody specificity with the corresponding antibody, catalog number NBP3-16977.

  It is purified by IMAC chromatography, and the expected concentration is greater than 0.5 mg/ml.

  For current lot information, including availability, please contact our technical support team click nb-technical@bio-techne.com

• Theoretical MW: 21 kDa.
  Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.

Packaging, Storage & Formulations

• Storage: Store at -20C. Avoid freeze-thaw cycles.
• Buffer: PBS and 1M Urea, pH 7.4.
• Preservative: No Preservative
• Purity: >80% by SDS-PAGE and Coomassie blue staining

Alternate Names for Stathmin 1 Recombinant Protein Antigen

• C1orf215
• chromosome 1 open reading frame 215
• Lag
• Leukemia-associated phosphoprotein p18
• Metablastin
• MGC138869
• Oncoprotein 18
• Op18
• OP18MGC138870
• phosphoprotein 19
• Phosphoprotein p19
• PP17
• PP19
• PR22
• prosolin
• Protein Pr22
• SMNLAP18FLJ32206
• stathmin 1
• stathmin 1/oncoprotein 18
• stathmin
• transmembrane protein C1orf215

Background

Stathmin (oncoprotein 18, op18) is a ubiquitous cytosolic phosphoprotein with various regulatory functions in cell proliferation, differentiation signaling, and activation (1). In particular, stathmin is involved in the regulation of tubulin dynamics through inhibition of microtubule formation and/or microtubule depolymerization. Stathmin interacts with soulable tubulins (alpha,beta-tubulin) resulting in the formation of T2S complex which sequesters free tubulin, impeding tubulin formation (2). Stathmin activity is regulated through phosphorylation at Ser16, Ser25, Ser38 and Ser63 by various protein kinases (e.g. MAP-kinase, p34cdc2 kinase), weakening stathmin's affinity to tubulin (3). A mutation on stathmin can lead to excess build up of mitotic spindle and with possible consequence of unregulated cell cycles seen in cancer cells (4). Stathmin is also known as the generic member of a protein family which includes neural proteins SCG10, SCLIP and RB3/RB3/RB3. All members in this family exhibits tubulin binding ability.

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Peptides and proteins are guaranteed for 3 months from date of receipt.

Bioinformatics

• Gene Symbol: STMN1