Author

Nikolaos K. Fourkiotis

University of PatrasORCID 0000-0002-5197-4142Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

Click to filter author papers

Signature Assays, Organisms & Methods

Click to filter · or open tag

Research Focus:chromatin & epigenetic regulation· 1 Approach:experimental assay· 1 Organism:human· 1 Assay:structural biology· 1

Frequent Co-Authors

Aikaterini C. TsikaiD· 1 shared Aleksandra ChikunovaiD· 1 shared Alexander FishiD· 1 shared Anastassis Perrakis AiD· 1 shared Christos Sideras‐BisdekisiD· 1 shared Georgios A. SpyrouliasiD· 1 shared Konstantina P. KravvaritiiD· 1 shared Sofia-Antigoni Tsatsouli· 1 shared

Activity by Year

2026-2026 · peak 1/yr

Co-Author Collaboration Network

8 top collaborators · 28 mutual co-author links

Click any collaborator node to inspect or filter shared papers

Focal author (center)Selected co-authorORCID co-authorUnlinked name

Curved chords = mutual co-authorship

1 shared paperBiochemistry

Aikaterini C. TsikaORCID

Mutual co-authors in cluster

Author profile →

1 paper

Recent·Most cited

So similar, yet so different: the paradigm of PARP9 macro domain paralogs

Nikolaos K. Fourkiotis, Christos Sideras‐Bisdekis, Aikaterini C. Tsika, Alexander Fish, Konstantina P. Kravvariti, Sofia-Antigoni Tsatsouli, Anastassis Perrakis A, Aleksandra Chikunova, Georgios A. Spyroulias

This study investigates the functional divergence between two macro domains in PARP9, showing how their distinct thermodynamics and ligand binding dynamics enable their roles as an eraser and a reader.

bioRxiv · Aug 17, 2026 · PreprintBiochemistry