The Chemical Synthesis of Site-Specifically Modified Proteins Via Diselenide-Selenoester Ligation

© 2021. The Author(s), under exclusive license to Springer Science+Business Media, LLC, part of Springer Nature..

Peptide ligation techniques enable the controlled chemical synthesis of native and engineered proteins, including examples that display site-specific post-translational modifications (PTMs) and non-proteinogenic functionality. Diselenide-selenoester ligation (DSL) is a recent addition to the synthetic methodology that offers several advantages over existing strategies. The standard DSL reaction involves the additive-free ligation of a peptide carrying an N-terminal selenocysteine (Sec) residue with a fragment bearing a C-terminal selenoester. This operationally simple ligation proceeds rapidly at sterically hindered junctions and is efficient across a broad pH range. The incorporation of deselenization and oxidative deselenization techniques into the DSL protocol enables conversion of the Sec residue at the ligation site to alanine (Ala) and serine (Ser), respectively, thus enhancing the scope and versatility of the method. In this chapter, we describe the application of DSL to the one-pot chemical synthesis of proteins via both two-component and three-component ligation pathways.

Medienart:

E-Artikel

Erscheinungsjahr:

2021

Erschienen:

2021

Enthalten in:

Zur Gesamtaufnahme - volume:2355

Enthalten in:

Methods in molecular biology (Clifton, N.J.) - 2355(2021) vom: 12., Seite 231-251

Sprache:

Englisch

Beteiligte Personen:

Griffiths, Rhys C [VerfasserIn]
Mitchell, Nicholas J [VerfasserIn]

Links:

Volltext

Themen:

0CH9049VIS
452VLY9402
Chemical protein synthesis
Chemoselective
Deselenization
Diselenide-selenoester ligation
Journal Article
Native chemical ligation
Peptide
Peptides
Proteins
Research Support, Non-U.S. Gov't
Selenocysteine
Selenoester
Serine

Anmerkungen:

Date Completed 11.01.2022

Date Revised 11.01.2022

published: Print

Citation Status MEDLINE

doi:

10.1007/978-1-0716-1617-8_18

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM329307452