BOB1 Antibody (OTI2D4)


Western Blot: BOB1 Antibody (2D4) [NBP2-45374] - Analysis of HEK293T cells were transfected with the pCMV6-ENTRY control (Left lane) or pCMV6-ENTRY BOB1.
Immunohistochemistry: BOB1 Antibody (2D4) [NBP2-45374] - Analysis of Human colon tissue. (Heat-induced epitope retrieval by 1mM EDTA in 10mM Tris buffer (pH8.5) at 120C for 3 min)
Immunohistochemistry: BOB1 Antibody (2D4) [NBP2-45374] - Analysis of Carcinoma of Human thyroid tissue. (Heat-induced epitope retrieval by 1mM EDTA in 10mM Tris buffer (pH8.5) at 120C for 3 min)
Immunohistochemistry: BOB1 Antibody (2D4) [NBP2-45374] - Analysis of Human lymph node tissue. (Heat-induced epitope retrieval by 1mM EDTA in 10mM Tris buffer (pH8.5) at 120C for 3 min)
Immunohistochemistry: BOB1 Antibody (2D4) [NBP2-45374] - Analysis of Human lymphoma tissue. (Heat-induced epitope retrieval by 1mM EDTA in 10mM Tris buffer (pH8.5) at 120C for 3 min)

Product Details

Reactivity Hu, Mu, RtSpecies Glossary
Applications WB, IHC
1 mg/ml

BOB1 Antibody (OTI2D4) Summary

Full length human recombinant protein of human POU2AF1(NP_006226) produced in E.coli.
Immunogen affinity purified
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.


  • Immunohistochemistry 1:150
  • Western Blot 1:2000
Theoretical MW
27.3 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.

Reactivity Notes

Please note that this antibody is reactive to Mouse and derived from the same host, Mouse. Mouse-On-Mouse blocking reagent may be needed for IHC and ICC experiments to reduce high background signal. You can find these reagents under catalog numbers PK-2200-NB and MP-2400-NB. Please contact Technical Support if you have any questions.

Packaging, Storage & Formulations

Store at -20C. Avoid freeze-thaw cycles.
PBS (pH 7.3), 1.0% BSA and 50% Glycerol
0.02% Sodium Azide
1 mg/ml
Immunogen affinity purified

Alternate Names for BOB1 Antibody (OTI2D4)

  • B-cell-specific coactivator OBF-1
  • BOB-1
  • OBF-1
  • OBF1BOB1
  • OCAB
  • OCA-B
  • OCT-binding factor 1
  • POU class 2 associating factor 1
  • POU domain class 2, associating factor 1
  • POU domain class 2-associating factor 1
  • POU domain, class 2, associating factor 1


BOB1 is a novel 35kDa protein designated Bob1 (B cell Oct binding protein 1) is a lymphocyte specific transcription co activator protein. B cell specific transcription is mediated by octamer motifs found in immunoglobulin heavy and light chain gene promoters and in some immunoglobulin enhancers. These sites are bound by the B cell specific Oct1 and Oct2 transcription factors, and the B cell restricted co activator BOB.1/OBF.1. This protein interacts only with the Oct1/2 proteins through sub domains in the POU domain of the Oct1/2 proteins, enhancing their transcriptional efficacy. Although having no intrinsic capacity for DNA binding, Bob1 associates tightly with the octomer motif in the presence of Oct1 and Oct2. Bob1 is expressed at highest levels in spleen and peripheral blood leukocytes.


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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Secondary Antibodies


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Gene Symbol POU2AF1