Methods for producing members of specific binding pairs
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United States of America Patent
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Sep 18, 2001
Grant Date -
N/A
app pub date -
Jun 25, 1998
filing date -
May 15, 1991
priority date (Note) -
Expired
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Abstract
The invention provides methods and kits for producing specific binding pairs (sbp) members. Populations of polypeptide chain components of sbp members are combined to form libraries of sbps displayed by secreted replicable genetic display packages (rgdp). At least one of the polypeptide chains is expressed as a fusion with a component of an rgdp which thereby displays that polypeptide chain at the surface of rgdp. At least one population of polypeptide chains is expressed from nucleic acid which is capable of being packaged using a component of an rgdp, whereby the genetic material of rgdps produced encodes a polypeptide chain. The methods enable production of libraries of multimeric sbp members from a very large number of possible combinations. In one embodiment of the invention a method employs 'chain shuffling' in the production of sbp members of desired specificity for a counterpart sbp member. Selection procedures are also described.
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