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Engineering the serpin α 1 ‐antitrypsin: A diversity of goals and techniques
Author(s) -
Scott Benjamin M.,
Sheffield William P.
Publication year - 2020
Publication title -
protein science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.353
H-Index - 175
eISSN - 1469-896X
pISSN - 0961-8368
DOI - 10.1002/pro.3794
Subject(s) - serpin , protein engineering , protein design , mutagenesis , directed evolution , computational biology , function (biology) , biology , protein structure , phage display , mutant , genetics , biochemistry , enzyme , gene , antibody
α 1 ‐Antitrypsin (α 1 ‐AT) serves as an archetypal example for the serine proteinase inhibitor (serpin) protein family and has been used as a scaffold for protein engineering for >35 years. Techniques used to engineer α 1 ‐AT include targeted mutagenesis, protein fusions, phage display, glycoengineering, and consensus protein design. The goals of engineering have also been diverse, ranging from understanding serpin structure–function relationships, to the design of more potent or more specific proteinase inhibitors with potential therapeutic relevance. Here we summarize the history of these protein engineering efforts, describing the techniques applied to engineer α 1 ‐AT, specific mutants of interest, and providing an appended catalog of the >200 α 1 ‐AT mutants published to date.

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