Protein arrays for high-throughput screening
First Claim
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1. A protein-coated substrate, comprising:
- (a) a substrate; and
(b) a plurality of patches arranged in discrete, known regions on said substrate, wherein each of said patches comprises an immobilized protein with a different, known sequence and wherein each of said patches is separated from neighboring patches by from about 50 nm to about 500 μ
m.
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Abstract
Protein arrays and protein-coated substrates for the parallel, in vitro screening of biomolecular activity are provided. Methods of using the protein-coated substrates and protein arrays are also disclosed. A plurality of different members of a single protein family may be immobilized on the protein-coated substrate or array. The protein-coated substrates and protein arrays are particularly useful in high-throughput drug screening and clinical diagnostics.
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Citations
41 Claims
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1. A protein-coated substrate, comprising:
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(a) a substrate; and
(b) a plurality of patches arranged in discrete, known regions on said substrate, wherein each of said patches comprises an immobilized protein with a different, known sequence and wherein each of said patches is separated from neighboring patches by from about 50 nm to about 500 μ
m. - View Dependent Claims (2, 3, 4)
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5. An array of proteins, comprising:
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(a) a substrate; and
(1)) a plurality of patches arranged in discrete known regions on said substrate, wherein each of said patches comprises an immobilized protein with a different, known sequence and wherein each of said patches is separated from neighboring patches by from about 50 nm to about 500 μ
m. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 37, 38, 39, 40, 41)
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36. A protein-coated substrate comprising:
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(a) a substrate;
(b) a monolayer on a portion of a surface of the substrate, said monolayer comprising molecules of the formula X-R-Y wherein R is a spacer, X is a functional group that binds R to the surface, and Y is a functional group for binding a fusion protein onto the monolayer;
(c) an affinity tag, wherein said affinity tag enhances site-specific immobilization of a fusion protein onto the monolayer; and
(d) a fusion protein immobilized on said monolayer by means of the affinity tag, wherein the fusion protein comprises a first polypeptide linked to a second, adaptor, polypeptide and wherein the second, adaptor, polypeptide is linked to the affinity tag.
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Specification