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    Balomenou S, Koutsioulis D, Tomatsidou A, Tzanodaskalaki M, Petratos K, Bouriotis V.
    "Polysaccharide deacetylases serve as new targets for the design of inhibitors against Bacillus anthracis and Bacillus cereus"
    Bioorg Med Chem. 26:3845-3851. PubMed ID: 29983281 [DOI: 10.1016/j.bmc.2018.06.045] (2018)

    Gessmann R, Brückner H, Petratos K.
    "Crystal structures of Z-Gly-Aib-O-·0.5Ca2+·H2O and Z-Gly-Aib-OH"
    Acta Crystallogr. E74:1173-1177. PubMed ID: 30116587 [DOI: 10.1107/S2056989018010745] (2018)

    Gessmann R, Brückner H, Berg A, Petratos K.
    "The crystal structure of the lipoaminopeptaibol helioferin, an antibiotic peptide from Mycogone rosea"
    Acta Crystallogr D Struct Biol. 74(Pt 4):315-320. [doi: 10.1107/S2059798318001857] (2018)

    Georgilis E, Gessmann R, Mitraki A, Petratos K.
    "Diphenylalanine in tetrahydrofuran: a highly potent candidate for the development of novel nanomaterials"
    Acta Crystallogr C Struct Chem. 73(Pt 6):447-450. [doi: 10.1107/S2053229617006830] (2017)

    Gessmann R, Axford D, Brückner H, Berg A, Petratos K.
    "A natural, single-residue substitution yields a less active peptaibiotic: the structure of bergofungin A at atomic resolution"
    Acta Crystallogr F Struct Biol Commun. 73(Pt 2):95-100. [doi: 10.1107/S2053230X17001236] (2017)

    Papageorgiou AC, Adam PS, Stavros P, Nounesis G, Meijers R, Petratos K, Vorgias CE.
    "HU histone-like DNA-binding protein from Thermus thermophilus: structural and evolutionary analyses"
    Extremophiles. 20(5):695-709. [doi: 10.1007/s00792-016-0859-1] (2016)

    R. Gessmann, H. Brückner, K. Petratos
    "The crystal structure of Z-(Aib)10-OH at 0.65 Å resolution: three complete turns of 310-helix"
    J. Pept. Sci.  22: 76-81. [doi: 10.1002/psc.2842] (2016)

    R. Gessmann, H. Brückner, K. Petratos
    "The first N-terminal unprotected (Gly-Aib)n peptide: H-Gly-Aib-Gly-Aib-OtBu"
    Acta Crystallogr.  C71: 1114-1117. [doi: 10.1107/S2053229615022597] (2015)

    M. Papadovasilaki, D. Oberthür, R. Gessmann, I. Sarrou, C. Betzel, E. Scoulica, K. Petratos
    “Biophysical and enzymatic properties of aminoglycoside adenylyltransferase AadA6 from Pseudomonas aeruginosa”
    Biochem. Biophys. Rep.  4: 152-157. [doi: 10.1016/j.bbrep.2015.09.011] (2015)

    R. Gessmann, H. Brückner, M. Aivaliotis, K. Petratos
    “The crystal structure of Z-Gly-Aib-Gly-Aib-OtBu”
    J Pept Sci 21(6):476-9 [doi: 10.1002/psc.2764] (2015)

    R. Gessmann, M. Papadovasilaki, E. Drougkas, K. Petratos
    “Zinc-substituted pseudoazurin solved by S/Zn-SAD phasing”
    Acta Crystallogr. F71, 19-23 (2015)

    R. Gessmann, H. Bruckner, K. Petratos
    "The achiral tetrapeptide Z-Aib-Aib-Aib-Gly-OtBu"
    Acta Crystallogr. C70, 1046-1049  [doi:10.1107/S2053229614022165] (2014)

    R. Gessmann, H. Bruckner, K. Petratos
    "The peptide Z-Aib-Aib-Aib-L-Ala-OtBu"
    Acta Crystallogr C Struct Chem. 70(Pt 4), 405-407 (2014)

    R. Gessmann, D. Axford, G. Evans, H. Bruckner, K. Petratos
    “The crystal structure of samarosporin I at atomic resolution”
    J. Pept. Sci. 18, 678-84 (2012)

    R. Gessmann, D. Axford, R. L. Owen, H. Bruckner and K. Petratos
    “Four complete turns of a curved 3(10)-helix at atomic resolution: The crystal structure of the peptaibol trichovirin I?4A in polar environment suggests a transition to aplha-helix for membrane function”
    Acta Crystallogr. D68, 109-116 (2012)

    R. Gessmann, C. Kyvelidou, M. Papadovasilaki and K. Petratos
    “The crystal structure of cobalt-substituted pseudoazurin from Alcaligenes faecalis
    Biopolymers, 95, 202-207 (2011)

    R. Gessmann, N. Kourtis, K. Petratos and N. Tavernarakis
    “Molecular modeling of mechanosensory ion channel structural and functional features”
    PLoS ONE 5(9), e12814 (2010)

    V. Prokova, S. Mavridou, P. Papakosta, K. Petratos and D. Kardassis
    "Novel Mutations in Smad Proteins That Inhibit Signaling by the  Transforming Growth Factor ? in Mammalian Cells"
    Biochemistry 46, 13775-13786 (2007)

    Y. Papanikolau, M. Papadovasilaki, R. B. G. Ravelli, A. A. McCarthy, S. Cusack, A. Economou and K. Petratos
    “Structure of dimeric SecA, the Escherichia coli preprotein translocase motor”
    J. Mol. Biol. 366, 1545-1557 (2007)

    E. Touloupakis, R. Gessmann, K. Kavelaki, E. Christofakis, K. Petratos and D. F. Ghanotakis
    “Isolation, characterization, sequencing and crystal structure of charybdin, a type 1 ribosome-inactivating protein from C. maritima agg.”
    FEBS J. 273, 2684-2692 (2006)

    S. Pyrpassopoulos, M. Vlassi, A. Tsortos, Y. Papanikolau, K. Petratos, C. E. Vorgias and G. Nounesis
    “Equilibrium heat-induced denaturation of chitinase 40 from S. thermoviolaceus”
    Proteins  64, 513-523 (2006)

    Y. Papanikolau, I. Tsigos, M. Papadovasilaki, V. Bouriotis and K. Petratos
    “Crystallization and preliminary X-ray diffraction studies of an alcohol dehydrogenase from the Antarctic psychrophile Moraxella sp. TAE123”
    Acta Crystallogr. F61 , 246-248 (2005)

    R. Gessmann, H. Bruckner and K. Petratos
    “Three Complete Turns of a 3 10 -Helix at Atomic Resolution: The Crystal Structure of Z-(Aib) 11 -OtBu”
    J. Pept. Sci. 9, 753-762 (2003)

    R. Gessmann, N. Schiemann, H. Bruckner and K. Petratos
    “The tetrapeptide Z-Leu-Aib-Pro-Val-OBg monohydrate”
    Acta Crystallogr. C59, o413-o415 (2003)

    Y. Papanikolau, G. Tavlas, C. E. Vorgias and K. Petratos
    De novo purification scheme and crystallization conditions yield high-resolution structures of chitinase A and its complex with the inhibitor allosamidin”
    Acta Crystallogr. D59, 400-403 (2003)

    Y. Papanikolau and K. Petratos
    “Application of the effects of ionic strength reducing agents in the purification and crystallization of chitinase A”
    Acta Crystallogr. D58, 1593-1596 (2002)

    Y. Papanikolau, G. Prag, G. Tavlas, C. E. Vorgias, A. B. Oppenheim and K. Petratos
    “High Resolution Structural Analyses of Mutant Chitinase A Complexes with Substrates Provide New Insight into the Mechanism of Catalysis”
    Biochemistry 40, 11338-11343 (2001)

    Y. Papanikolau , R. Gessmann , K. Petratos , K. Igarashi and M. Kokkinidis
    “Crystallization of the E. coli polyamine-induced protein: a novel procedure based on the concept of ionic strength reducers”
    J. Cryst. Growth 210, 761-766 (2000)

    G. Prag, Y. Papanikolau, G. Tavlas, C. E. Vorgias, K. Petratos and A. B. Oppenheim
    “Structures of chitobiase mutants complexed with the substrate di-N-acetyl-D-glucosamine: the catalytic role of the conserved acidic pair, aspartate 539 and glutamate 540”
    J. Mol. Biol. 300, 611-617 (2000)