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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

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Buyon, J.P. et al.

Effective separation of the 52 kDa SSA/Ro polypeptide from the 48 kDa SSB/La polypeptide by altering conditions of polyacrylamide gel electrophoresis.

A method is described for the separation of the 52 kDa SSA/Ro polypeptide from the 48 kDa SSB/La polypeptide. These two proteins anomalously co-migrate with the same relative mass under conditions of conventional sodium dodecyl sulfate polyacrylamide gel electrophoresis according to Laemmli using a stock solution of acrylamide: bisacrylamide 30:0.8, ratio = 37. 5. A higher ratio of monomer to cross-linker, ratio = 172.4 used in a 15% acrylamide solution, readily separates the two peptide chains. This method facilitates the detection of the 52 kDa SSA/Ro component which otherwise might have been incorrectly assigned as a 48 kDa SSB/La polypeptide.[1]

References

Effective separation of the 52 kDa SSA/Ro polypeptide from the 48 kDa SSB/La polypeptide by altering conditions of polyacrylamide gel electrophoresis. Buyon, J.P., Slade, S.G., Chan, E.K., Tan, E.M., Winchester, R. J. Immunol. Methods (1990) [Pubmed]

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