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270025 VO Semisynthesis of Proteins (2017S)

Methods for site-specific protein modifications by chemical and molecular biolobigy approaches

3.00 ECTS (2.00 SWS), SPL 27 - Chemie

Fr 9:15-10:45 im HS IV


Language: German

Examination dates



The lecture starts on Friday, March 3, 9:15 am, lecture hall IV.


Aims, contents and method of the course

Informationen zur Vorlesung:

Auxotrophie-Stämme: globaler Einbau unnatürlicher Aminosäuren, Selenomethionin

In vitro Suppression: Amber-Codon, chemisch beladene Suppressor-tRNAs, Ortsspezifität

In vivo Suppression: Orthogonales tRNA/ AaRS-Paar, Proteinevolution

Chemische Modifikation von Proteinen: Biokonjugation der proteinogenen Aminosäuren (Lys, Cys),
Oxidation N-Terminus, PLP-vermittelte Ligation, Cross-Linker

Fluoreszierende Proteine: GFP und weitere Beispiele

Chemoselektive Ligationsreaktionen: Biokonjugation artifizieller Gruppen, Oxim-Ligation, Cu(I)-katalysierte 1,3-dipolare Cycloaddition, Staudinger-Ligation, Modifikation an lebenden Zellen

Chemische Peptid-/ Proteinligation: Peptidfestphasensynthese, Sekundärstrukturbrecher, Peptidsegmentkopplung, Native Chemische Ligation, Cys-freie Ligation, Auxiliare, Inteine, Expressed Protein Ligation

Enzymatische Peptidligation: Reverse Proteolyse, Sortase, gespaltene Inteine

Assessment and permitted materials


Minimum requirements and assessment criteria

Examination topics

Reading list

Association in the course directory

BC-3, CHE II-3, CHE II-4.

Last modified: Mo 07.09.2020 15:41