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Home Gene Therapy Synthetic-human-neutralizing-monoclonal-antibodies-to-human-immunodeficiency-virus

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 Synthetic human neutralizing monoclonal antibodies to human immunodeficiency virus

Details
Inventors: Barbas, Carlos F.; Burton, Dennis R.; Lerner, Richard A.;
Assignee: The Scripps Research Institute (La Jolla, CA)
Primary Examiner: Navarro; Albert
Assistant Examiner:
Attorney, Agent or Firm: Fitting; Thomas, Holmes; Emily, Northrup; Thomas E.

The present invention describes synthetic human monoclonal antibodies that immunoreact with and neutralize human immunodeficiency virus (HIV). The synthetic monoclonal antibodies of this invention exhibit enhanced binding affinity and neutralization ability to gp120. Also disclosed are immunotherapeutic and diagnostic methods of using the monoclonal antibodies, as well as cell lines for producing the monoclonal antibodies.

DETAILED DESCRIPTION OF THE INVENTION A.
Definitions Amino Acid Residue: An amino acid formed upon chemical digestion (hydrolysis) of a polypeptide at its peptide linkages.
The amino acid residues described herein are preferably in the "L" isomeric form.
However, residues in the "D" isomeric form can be substituted for any L-amino acid residue, as long as the desired functional property is retained by the polypeptide.
NH.
sub.
2 refers to the free amino group present at the amino terminus of a polypeptide.
COOH refers to the free carboxy group present at the carboxy terminus of a polypeptide.
In keeping with standard polypeptide nomenclature (described in J.
Biol.
Chem.
, 243:3552-59 (1969) and adopted at 37 CFR .
sctn.
1.
822(b)(2)), abbreviations for amino acid residues are shown in the following Table of Correspondence:
TABLE OF CORRESPONDENCE
SYMBOL
1-Letter 3-Letter AMINO ACID
Y Tyr tyrosine
G Gly glycine
F Phe phenylalanine
M Met methionine
A Ala alanine
S Ser serine
I Ile isoleucine
L Leu leucine
T Thr threonine
V Val valine
P Pro proline
K Lys lysine
H His histidine
Q Gln glutamine
E Glu glutamic acid
Z Glx Glu and/or Gln
W Trp tryptophan
R Arg arginine
D Asp aspartic acid
N Asn asparagine
B Asx Asn and/or Asp
C Cys cysteine
X Xaa Unknown or other
It should be noted that all amino acid residue sequences represented herein by formulae have a left-to-right orientation in the conventional direction of amino terminus to carboxy terminus



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