The United States of America, as Represented by the Secretary, Department of Health and Human Services

Kalavathy Sitaraman

Deb K Chatterjee

James L Hartley

Cassio Baptista

David J Munroe

The invention provides a microarray and methods for producing a protein microarray. The array comprises multiple nucleic acid molecules immobilized on a substrate, each comprising (i) a protein-binding domain and (ii) a nucleic acid sequence encoding a fusion protein comprising a polypeptide of interest and a DNA-binding protein that binds the protein-binding domain, and one or more fusion proteins produced from the multiple nucleic acid molecules. Each fusion protein is immobilized on the substrate via binding to a nucleic acid sequence comprising the protein-binding domain present on the nucleic acid molecule from which the fusion protein is produced or on the substrate. The invention also provides a method of analyzing protein interactions with, for example, other proteins, lipids and drugs.

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Frederick, MD, United States of America

Kalavathy Sitaraman