Cyclophilin D is a mitochondrial peptidyl-prolyl cis-trans isomerase present in the internal matrix of mitochondria; encoded by the genomic PPif gene contains a mitochondrial target sequence and plays a very important role in PTP. While the catalytic domain is well conserved in the Cyclophilin protein family, the N-terminal domain is instead specific for mitochondrial isomerase. In this paper we will compare the interactions of native Cyclophilin D, of the deleted form of the first 14 amino acids and of Cyclophine A against various mitochondrial protein partners. This will be carried out through protein interaction techniques, such as the Tripartite Split-Superfolder GFP applied to eukaryotic cells and in Escherichia coli and through the SPR technique.
La Ciclofilina D è una peptidil-prolil cis-trans isomerasi mitocondriale presente nella matrice interna dei mitocondri; codificata dal gene PPif genomico contiene una sequenza di target al mitocondrio e gioca un ruolo molto importante nel PTP. Mentre il dominio catalitico risulta essere ben conservato nella famiglia proteica delle Ciclofiline, il dominio N-terminale risulta invece essere specifico per l’isomerasi mitocondriale. In questo elaborato andremo a comparare le interazioni della Ciclofilina D nativa, della forma deleta dei primi 14 amminoacidi e della Ciclofina A nei confronti di vari partner proteici mitocondriali. Questo verrà effettuato attraverso tecniche di studio di interazione delle proteine, quali il Tripartite Split-Superfolder GFP applicato alle cellule eucariotiche e in Escherichia coli e attraverso la tecnica SPR.
Ruolo del dominio N-terminale della Ciclofilina mitocondriale
MANZONI, ANDREA
2021/2022
Abstract
Cyclophilin D is a mitochondrial peptidyl-prolyl cis-trans isomerase present in the internal matrix of mitochondria; encoded by the genomic PPif gene contains a mitochondrial target sequence and plays a very important role in PTP. While the catalytic domain is well conserved in the Cyclophilin protein family, the N-terminal domain is instead specific for mitochondrial isomerase. In this paper we will compare the interactions of native Cyclophilin D, of the deleted form of the first 14 amino acids and of Cyclophine A against various mitochondrial protein partners. This will be carried out through protein interaction techniques, such as the Tripartite Split-Superfolder GFP applied to eukaryotic cells and in Escherichia coli and through the SPR technique.File | Dimensione | Formato | |
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https://hdl.handle.net/20.500.12608/32763