USA As Represented by Secretary of the Navy

P Audrey Brozozog Lee

George P Anderson

Daniel Zabetakis

Ellen R Goldman

Kendrick Turner

A single-domain antibody (sdAb) is produced by causing a bacteria to express the sdAb into cytoplasm of the bacteria, wherein the sdAb is expressed as a fusion protein with the acid tail of &#x3b1;-synuclein. In embodiments, the protein is free of a periplasmic location tag. Such antibodies have the unexpected ability to refold after thermal denaturation.

Single-domain antibody fusion proteins with the acid tail of alpha-synuclein

A nucleic acid encodes a single-domain antibody (sdAb) is produced by causing a bacteria to express the sdAb into cytoplasm of the bacteria, wherein the sdAb is expressed as a fusion protein with the acid tail of &#x3b1;-synuclein. In embodiments, the protein is free of a periplasmic location tag. Such antibodies have the unexpected ability to refold after thermal denaturation.

Nucleic acids for single-domain antibodies with thermal stability under cytoplasmic expression

Methods of producing a single-domain antibody (sdAb) include causing a bacteria to express the sdAb into cytoplasm of the bacteria, wherein the sdAb is expressed as a fusion protein with the acid tail of &#x3b1;-synuclein; and then purifying the sdAb, wherein the fusion protein is expressed free of a periplasmic location tag. Such antibodies have the unexpected ability to refold after thermal denaturation.

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Washington, DC, United States of America

P Audrey Brozozog Lee