Human mannose-binding protein is identical to a component of Ra-reactive factor.

@article{Matsushita1992HumanMP,
  title={Human mannose-binding protein is identical to a component of Ra-reactive factor.},
  author={Misao Matsushita and Akira Takahashi and Hiromi Hatsuse and Makoto Kawakami and Teizo Fujita},
  journal={Biochemical and biophysical research communications},
  year={1992},
  volume={183 2},
  pages={
          645-51
        }
}
Human Ra-reactive factor (RaRF) and mannose-binding protein (MBP) were isolated from sera by utilizing their affinity to Ra chemotype Salmonella typhimurium and yeast mannan, respectively. A predominant polypeptide of human RaRF with an Mr of 32 kDa (P32) has the same mobility as human MBP on SDS-PAGE gels. A monoclonal antibody against P32 of human RaRF, 3E7, was found to react not only with P32 but also with human MBP, as assessed by immunoblotting. In addition, 3E7 blocked the complement… CONTINUE READING

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