Protein L and subfragments thereof, with immunoglobulin binding activity, a process for preparing thereof, reagent kit, pharmaceutical composition and a peptococcus magnus strain
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United States of America Patent
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Oct 24, 1989
Grant Date -
N/A
app pub date -
Jul 22, 1986
filing date -
Jul 22, 1986
priority date (Note) -
Expired
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Abstract
This invention relates to a new protein L and subfragments thereof with binding activity for all classes of immunoglobulins from different species, a process for preparing the same, a reagent kit, a pharmaceutical composition and strain 312 of P. magnus. The process for preparing the protein and subfragments thereof is characterized in that the microorganism P. magnus 312 is treated with proteolytic enzymes or mutanolysin.
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