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Cover Page

The handle http://hdl.handle.net/1887/67109 holds various files of this Leiden University dissertation.

Author: Daudey, G.A.

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C

OILED

-

COIL MEDIATED LIPOSOMAL FUSION

:

A

SYMMETRIC BEHAVING PEPTIDE FUSOGENS

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Coiled-coil mediated liposomal fusion:

Asymmetric behaving peptide fusogens

Proefschrift

ter verkrijging van

de graad van Doctor aan de Universiteit Leiden,

op gezag van Rector Magnificus prof.mr. C.J.J.M. Stolker,

volgens besluit van het College voor Promoties

te verdedigen op woensdag 5 december 2018

klokke 10.00 uur

door

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Promotiecommissie

Promotor:

Prof. Dr. A. Kros

Leden:

Prof. Dr. H.S. Overkleeft (vz) Prof. Dr. M.H.M Noteborn (sec)

Prof. Dr. W. Roos Rijksuniversiteit Groningen

Prof. Dr. R. Jerala National Institute of Chemistry, Slovenia Dr. J.A.A.W. Elemans Radboud Universiteit

Geert A. Daudey

Coiled-coil mediated liposomal fusion: Asymmetric behaving peptide fusogens 164 pages

PhD thesis, Leiden University, Leiden, NL (2018) ISBN 978-94-6375-215-2

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Voor Mariëtte

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Thinking from the eye closes understanding,

but thinking from understanding opens the eye.

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T

ABLE OF

C

ONTENTS

CHAPTER I General introduction to membrane fusion 9

CHAPTER II Membrane-fusogen distance is critical for efficient

coiled-coil-peptide mediated liposome fusion

19

CHAPTER III Influence of membrane-fusogen distance on the

secondary structure of coiled-coil peptides

53

CHAPTER IV Dimers of peptide K: (Super)secondary structures

and fusogenic activity

91

CHAPTER V Liposome fusion with orthogonal coiled-coil

peptides as fusogens: Peptide roleplay is critical for efficient fusion

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