Complement Factor B antibody | 014III-

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Mouse anti Human Complement Factor B (Ba Fragment)

Product Type
Monoclonal Antibody
Product CodeApplicationsDatasheetMSDSPack SizeList PriceQuantity
MCA2647 C E* F FN WB 0.1 ml
Mouse anti Human Complement Factor B (Ba Fragment) antibody, clone 014III- recognises the 30 kDa Ba fragment of 90 kDa human complement factor B, present in blood serum. C3b associates with complement factor B, inducing conformational change. This enables complement factor D to cleave the N-terminal of complement factor B (the Ba subunit), leaving the 63 kDa Bb subunit associated with C3b, forming C3 convertase. Subunit Ba inhibits lymphocyte proliferation. Conversely, subunit Bb is involved in the proliferation of preactivated B lymphocytes.

Mouse anti Human Complement Factor B (Ba Fragment) antibody, clone 014III- has been reported for use in functional studies to block activity of the target protein. Removal of Sodium Azide is recommended prior to use in functional assays. Bio-Rad recommend the use of EQU003 for this purpose.

Product Details

Target Species
Product Form
Purified IgG - liquid
Purified IgG prepared by affinity chromatography on Protein A
Buffer Solution
Borate buffered saline
Preservative Stabilisers
0.1% Sodium Azide (NaN3)
Purified human complement factor b.
Approx. Protein Concentrations
IgG concentration 1.0 mg/ml

Storage Information

Store at +4oC or at -20oC if preferred.
Storage in frost-free freezers is not recommended.
This product should be stored undiluted. Avoid repeated freezing and thawing as this may denature the antibody. Should this product contain a precipitate we recommend microcentrifugation before use.
Shelf Life
Please see label for expiry date

More Information

P00751 Related reagents
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CFB Related reagents
For research purposes only

Applications of Complement Factor B antibody

This product has been reported to work in the following applications. This information is derived from testing within our laboratories, peer-reviewed publications or personal communications from the originators. Please refer to references indicated for further information. For general protocol recommendations, please visit the antibody protocols page.
Application Name Verified Min Dilution Max Dilution
Flow Cytometry
Functional Assays
Immunohistology - Frozen
Western Blotting
  1. 1Cone 014III- both the Ba fragment and the whole protein so is not suitable for all ELISA applications.
Where this product has not been tested for use in a particular technique this does not necessarily exclude its use in such procedures. Suggested working dilutions are given as a guide only. It is recommended that the user titrates the product for use in their own system using appropriate negative/positive controls.
Histology Positive Control Tissue
Kidney from post streptococcal glomerulonephritis patients

Negative Isotype Controls Available

Description Product Code Pack Size Applications List Price Quantity
Mouse IgG1 Negative Control MCA928 100 Tests F

Useful Reagents Available

Description Product Code Pack Size Applications List Price Quantity
Histar Detection System STAR3000A 50 Tests C P
Histar Detection System STAR3000B 150 Tests C P
Histar Detection System STAR3000C 500 Tests C P

Product Specific References

References for Complement Factor B antibody

  1. Zipplies, J.K. et al. (2010) Complement factor B expression profile in a spontaneous uveitis model.
    Immunobiology. 215 (12): 949-55.

Further Reading

  1. Xu, Y. et al. (2001) Structural biology of the alternative pathway convertase.
    Immunol Rev. 180: 123-35.
  2. Ponnuraj, K. et al. (2004) Structural analysis of engineered Bb fragment of complement factor B: insights into the activation mechanism of the alternative pathway C3-convertase.
    Mol Cell. 14 (1): 17-28.