Affinity purified from pooled serum. Learn more.

Mnk2b Antibody

Catalog #: 1181-Mnk2b Category: Datasheet:


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Rabbit polyclonal antibody

Pooled Serum
Affinity Purified from Pooled Serum
Species Reactivity:
Human, Non-human primate
WB 1:1000
Rabbit Polyclonal
Molecular Weight:
~47 kDa
Cite This Antibody:
PhosphoSolutions Cat# 1181-Mnk2b, RRID:AB_2631043
Antigen/Purification: ExpandCollapse

Peptide from the C-terminal region, specific to the human Mnk2b isoform.  The sequence of the antigen has no homology with Mnk1 or Mnk2a.

Prepared from pooled rabbit serum by affinity purification via chromatography on peptide immunogen column.


Biological Significance: ExpandCollapse

MAP kinase-interacting kinases Mnk1 and Mnk2, are activated by the MAP kinases, ERK and p38 (Waskiewicz et al., 1997).  Additionally, Mnk1 and Mnk2 have been shown to phosphorylate the translation initiation factor eIF4E (Fukunaga and Hunter 1997; Waskiewicz et al., 1997).   Alternative splicing of the MKNK2 gene results in two isoforms with different C-termini: one that has a MAPK-binding domain, Mnk2a, and one that does not, Mnk2b (Parra et al., 2005).  Recent studies have indicated that Mnk2a has tumor suppressive activity while Mnk2b is pro-oncogenic (Maimon et al., 2014).

Synonyms: ExpandCollapse

• MADS box transcription enhancer factor 2 antibody
• MDS1 EVI1 antibody
• Mef2b antibody
• MEF2B_HUMAN antibody
• Myocyte enhancer factor 2B antibody
• Myocyte specific enhancer factor 2B antibody
• Myocyte-specific enhancer factor 2B antibody
• PRDM3 antibody
• RSRFR2 antibody
• Serum response factor like protein 2 antibody
• Serum response factor-like protein 2 antibody
• XMEF2 antibody


100 µl in 10 mM HEPES (pH 7.5), 150 mM NaCl, 100 µg per ml BSA and 50% glycerol. Adequate amount of material to conduct 10-mini Western blots.

Storage at -20°C is recommended, as aliquots may be taken without freeze/thawing due to presence of 50% glycerol. Stable for at least 1 year at -20°C.

General References:

Fukunaga, R., & Hunter, T. (1997) A New MAP Kinase-Activated Protein Kinase Isolated by a Novel Expression Screening Method to Identify Protein Kinase Substrates. EMBO J. Apr 15;16(8):1921-33.

Maimon  A, Mogilevsky M, Shilo A, Golan-Gerstl R, Obiedat A, Ben-Hur V, Lebenthal-Loinger I, Stein I, Reich R, Beenstock J, Zehorai E, Andersen CL, Thorsen K, Orntoft TF, Davis RJ, Davidson B, Mu D, Karni R (2014) Mnk2 Alternative Splicing Modulates the p38-MAPK Pathway and Impacts Ras-Induced Transformation. Cell Reports 7, 501-513.

Parra JL, Buxadé M, Proud CG (2005) Features of the Catalytic Domains and C Termini of the MAPK Signal-integrating Kinases Mnk1 and Mnk2 Determine Their Differing Activities and Regulatory Properties. J. Biol. Chem. 280, 37623-37633.

Waskiewicz AJ, Flynn A, Proud CG, Cooper JA (1997) Mitogen-activated Protein Kinases Activate the Serine/Threonine Kinases Mnk1 and Mnk2. EMBO J. 16,1909-1920.


  • 5 – Excellent (publishable, performed ideally)
  • 4 – Good (publishable, would use again)
  • 3 – Average (publishable, might use again)
  • 2 – Poor (unpublishable, signal inconclusive)
  • 1 – No signal (unpublishable)
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Mnk2b antibody
Western blot of HeLa lysate showing specific immunolabeling of the ~47 kDa Mnk2b isoform in the first lane (-). Specificity is shown in the third lane (Mnk2b) where immunolabeling is blocked by preadsorption of the Mnk2b peptide used as the antigen, but not by the Mnk2a peptide in the second lane.

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