摘要:
Filamentous phage comprising a matrix of cpVIII proteins encapsulating a genome encoding first and second polypeptides of an antogenously assembling receptor, such as an antibody, and a receptor comprised of the first and second polypeptides surface-integrated into the matrix via a filamentous phage coat protein membrane anchor domain fused to at least one of the polypeptides.
摘要:
Filamentous phage comprising a matrix of cpVIII proteins encapsulating a genome encoding first and second polypeptides of an antogenously assembling receptor, such as an antibody, and a receptor comprised of the first and second polypeptides surface-integrated into the matrix via a filamentous phage coat protein membrane anchor domain fused to at least one of the polypeptides.
摘要:
The present invention provides a compound that includes an active therapeutic agent attached to a blocking moiety that is sensitive to the catalytic action of molecules having retro-aldol and retro-Michael catalytic activity, methods for making such compounds and methods of converting such compounds to active therapeutic agents using molecules having aldolase activity.
摘要:
The present invention describes methods for producing metal binding sites on polypeptides, and particularly for producing metal binding sites within the CDR regions of immunoglobulin heavy or light chains that are displayed on the surface of filamentous phage particles. The invention also describes oligonucleotides useful for preparing the metal binding sites, and human monoclonal antibodies produced by the present methods.
摘要:
The present invention provides antibody targeting compounds in which the specificity of the antibody has been reprogrammed by covalently or noncovalently linking a targeting agent to the combining site of an antibody. By this approach, the covalently modified antibody takes on the binding specificity of the targeting agent. The compound may have biological activity provided by the targeting agent or by a separate biological agent. Various uses of the invention compounds are provided.
摘要:
Antibodies that catalyze the aldol reaction are generated by immunization with a reactive compound that covalently traps a Lysine (Lys) residue in the binding pocket of the antibody by formation of a stable vinylogous amide, i.e., a covalent antibody/hapten complex. The resultant catalytic antibodies employ a catalytic mechanism which mimics the catalytic mechanism employed by natural class I aldolase enzymes.
摘要:
Nine efficient aldolase antibodies were generated using hapten 2. This hapten combines, in a single molecule, structural components employed for reactive immunization with structural components employed for forming a transition state analog of the aldol reaction. Characterization of two of these antibodies reveals that they are highly proficient (up to 1000-fold better than any other antibody catalyst) and enantioselective catalysts for aldol and retro-aldol reactions and exhibit enantio- and diastereo-selectivities opposite that of antibody 38C2.
摘要:
The present invention describes methods for producing antibody libraries, and particularly for increasing antibody library diversity by inducing mutagenesis within the CDR regions of immunoglobulin heavy or light chains that are displayed on the surface of filamentous phage particles comprising the library. The invention also describes oligonucleotides useful for increasing the library diversity, and universal light chains useful in the library production methods.
摘要:
Catalytic antibodies, including 38C2 and 33F12, are capable of efficiently catalyzing a wide variety of ketone-ketone, ketone-aldehyde, aldehyde-ketone, and aldehyde-aldehyde intermolecular aldol reactions, and in some cases to catalyze their subsequent dehydration to yield aldol condensation products. A number of intramolecular aldol reactions have also been defined. Catalysis of all intramolecular aldol reactions examined yields the corresponding condensation products.
摘要:
Catalytic antibodies, including 38C2 and 33F12, are capable of efficiently catalyzing a wide variety of ketone-ketone, ketone-aldehyde, aldehyde-ketone, and aldehyde-aldehyde intermolecular aldol reactions, and in some cases to catalyze their subsequent dehydration to yield aldol condensation products. A number of intramolecular aldol reactions have also been defined. Catalysis of all intramolecular aldol reactions examined yields the corresponding condensation products.