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Human POU2AF1 Recombinant Protein (N-His-KSI) (HA822012)

Human POU2AF1 Recombinant Protein (N-His-KSI)
Human POU2AF1 Recombinant Protein (N-His-KSI)
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Overview
Catalog No.HA822012
Description
Recombinant Human POU2AF1 Protein, N-His-KSI (HA822012) expressed in E. coli, spanning Leu2-Phe256. Purity: >90% by SDS-PAGE.
Highlights
  • His-Tagged — N-terminal 6×His tag for IMAC purification.
  • E. coli Expression — High-yield, cost-effective production.
  • High Purity — >90% purity verified by SDS-PAGE.
Expression systemE. coli
AccessionQ16633
Protein lengthLeu2-Phe256
ApplicationsELISA, Immunogen, SDS-PAGE, WB, Bioactivity testing in progress
SpeciesHomo sapiens (Human)
Nature Recombinant
Endotoxin level Please contact with the lab for this information.
Purity >90% as determined by SDS-PAGE.
Predicted molecular weight 43.07 kDa
Form Lyophilized
Storage buffer Lyophilized from a solution in PBS pH 7.4, 1 mM EDTA, 4% Trehalose, 1% Mannitol.

Please refer to the specific buffer information in the hardcopy of datasheet or the lot-specific COA.

Reconstitution Reconstitute in sterile water for a stock solution. Adjust the volume of sterile water so that, after reconstitution, the final stock concentration matches the value indicated on the product label or datasheet.

RECONSTITUTION PROTOCOL
1. Allow the product to be reconstituted and the reconstitution diluent to reach room temperature.
2. Tap or briefly centrifuge the product vial before opening to dislodge any lyophilized material that may be dispersed on the wall or cap of the vial.
3. Use the diluent and stock concentration recommended in the product datasheet. If preparing a stock concentration higher than recommended, contact Technical Service.
4. After adding the diluent, re-cap the vial and invert gently by hand or place on a slow rocking platform to allow the reconstitution diluent to coat all the surfaces inside the vial. Note: Do not mix by vortexing or by pipetting the material up and down.
5. Allow the vial to sit at room temperature with gentle agitation for at least 15 minutes before aliquotting or using.
6. Store the reconstituted material in single use aliquots in polypropylene or siliconized tubes. Aliquots of 10 μL or larger are recommended.
Shipping In general, proteins are provided as lyophilized powder/frozen liquid. They are shipped out with dry ice/blue ice unless customers require otherwise.
Stability and Storage Use a manual defrost freezer and avoid repeated freeze thaw cycles. Store at 2 to 8°C for frequent use. Store at -20 to -80°C for twelve months from the date of receipt.
Alternate NamesPOU domain class 2-associating factor 1; B-cell-specific coactivator OBF-1; BOB-1; OCA-B; OCT-binding factor 1; POU2AF1; BOB1; OBF1
Background

POU domain class 2-associating factor 1 is a ~27 kDa protein. Transcriptional coactivator that specifically associates with either POU2F1/OCT1 or POU2F2/OCT2. It boosts the POU2F1/OCT1 mediated promoter activity and to a lesser extent, that of POU2F2/OCT2. It recognizes the POU domains of POU2F1/OCT1 and POU2F2/OCT2. It is essential for the response of B-cells to antigens and required for the formation of germinal centers. Regulates IL6 expression in B cells as POU2F2/OCT2 coactivator.

1. Strubin, M. et al. (1995) Cell 80, 497-506. PMID: 7859290
2. Gstaiger, M. et al. (1995) Nature 373, 360-2. PMID: 7779176
3. Luo, Y. et al. (1995) Molecular and cellular biology 15, 4115-24. PMID: 7623806
Note For research use only
Images
  • Human POU2AF1 Recombinant Protein (N-His-KSI)

    SDS-PAGE

    SDS-PAGE for Recombinant Human POU2AF1 Protein, N-His-KSI

References
Formula
Mass (g) = Concentration (mol/L) × Volume (L) × MW (g/mol)
Enter any 2 of Mass, Concentration, Volume + Molecular Weight to solve for the unknown.
Mass
=
Concentration
×
Volume
Molecular Weight *
g/mol
Formula
C₁ × V₁ = C₂ × V₂
Enter any 3 of the 4 values to solve for the unknown.
Stock Solution
C₁ (Stock Conc.)
×
V₁ (Stock Vol.)
=
Working Solution
C₂ (Working Conc.)
×
V₂ (Working Vol.)
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