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Gertraud Koellner

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Joachim Behlke; Gertraud Koellner; Agnieszka Bzowska
Oligomeric structure of mammalian purine nucleoside phosphorylase in solution determined by analytical ultracentrifugation.
Agnieszka Bzowska; Gertraud Koellner; Beata Wielgus-Kutrowska; Albrecht Stroh; Grzegorz Raszewski; Antonín Holý; Thomas Steiner; Joachim Frank
Crystal structure of calf spleen purine nucleoside phosphorylase with two full trimers in the asymmetric unit: important implications for the mechanism of catalysis.
Marija Luić; Gertraud Koellner; Tsutomu Yokomatsu; Shiroshi Shibuya; Agnieszka Bzowska
Calf spleen purine-nucleoside phosphorylase: crystal structure of the binary complex with a potent multisubstrate analogue inhibitor.

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All Publications

2005: Joachim Behlke; Gertraud Koellner; Agnieszka Bzowska
Oligomeric structure of mammalian purine nucleoside phosphorylase in solution determined by analytical ultracentrifugation.
Zeitschrift für Naturforschung. C, Journal of biosciences 2005;60(11-12):927-31.
2004: Agnieszka Bzowska; Gertraud Koellner; Beata Wielgus-Kutrowska; Albrecht Stroh; Grzegorz Raszewski; Antonín Holý; Thomas Steiner; Joachim Frank
Crystal structure of calf spleen purine nucleoside phosphorylase with two full trimers in the asymmetric unit: important implications for the mechanism of catalysis.
Journal of molecular biology 2004;342(3):1015-32.
2004: Marija Luić; Gertraud Koellner; Tsutomu Yokomatsu; Shiroshi Shibuya; Agnieszka Bzowska
Calf spleen purine-nucleoside phosphorylase: crystal structure of the binary complex with a potent multisubstrate analogue inhibitor.
Acta crystallographica. Section D, Biological crystallography 2004;60(Pt 8):1417-24.
2003: Gertraud Koellner; Albrecht Stroh; Grzegorz Raszewski; Antonín Holý; Agnieszka Bzowska
Crystal structure of calf spleen purine nucleoside phosphorylase in a complex with multisubstrate analogue inhibitor with 2,6-diaminopurine aglycone.
Nucleosides, nucleotides & nucleic acids 2003;22(5-8):1699-702.
2003: Beata Wielgus-Kutrowska; Joachim Frank; Antonín Holý; Gertraud Koellner; Agnieszka Bzowska
Interactions of trimeric purine nucleoside phosphorylases with ground state analogues--calorimetric and fluorimetric studies.
Nucleosides, nucleotides & nucleic acids 2003;22(5-8):1695-8.
2002: Gertraud Koellner; Thomas Steiner; Charles B Millard; Israel Silman; Joel Sussman
A neutral molecule in a cation-binding site: specific binding of a PEG-SH to acetylcholinesterase from Torpedo californica.
Journal of molecular biology 2002;320(4):721-5.
2002: Beata Wielgus-Kutrowska; Agnieszka Bzowska; Jan Tebbe; Gertraud Koellner; David Shugar
Purine nucleoside phosphorylase from Cellulomonas sp.: physicochemical properties and binding of substrates determined by ligand-dependent enhancement of enzyme intrinsic fluorescence, and by protective effects of ligands on thermal inactivation of the enzyme.
Biochimica et biophysica acta 2002;1597(2):320-34.
2002: Gertraud Koellner; Agnieszka Bzowska; Beata Wielgus-Kutrowska; Marija Luić; Thomas Steiner; Wolfram Saenger; Janusz Stepiński
Open and closed conformation of the E. coli purine nucleoside phosphorylase active center and implications for the catalytic mechanism.
Journal of molecular biology 2002;315(3):351-71.
2001: Thomas Steiner; Gertraud Koellner
Hydrogen bonds with pi-acceptors in proteins: frequencies and role in stabilizing local 3D structures.
Journal of molecular biology 2001;305(3):535-57.
2001: M Luić; Gertraud Koellner; David Shugar; Wolfram Saenger; Agnieszka Bzowska
Calf spleen purine nucleoside phosphorylase: structure of its ternary complex with an N(7)-acycloguanosine inhibitor and a phosphate anion.
Acta crystallographica. Section D, Biological crystallography 2001;57(Pt 1):30-6.
2000: Gertraud Koellner; G Kryger; Charles B Millard; Israel Silman; Joel Sussman; Thomas Steiner
Active-site gorge and buried water molecules in crystal structures of acetylcholinesterase from Torpedo californica.
Journal of molecular biology 2000;296(2):713-35.
1999: Jan Tebbe; Agnieszka Bzowska; Beata Wielgus-Kutrowska; Werner Schröder; Zygmunt Kazimierczuk; David Shugar; Wolfram Saenger; Gertraud Koellner
Crystal structure of the purine nucleoside phosphorylase (PNP) from Cellulomonas sp. and its implication for the mechanism of trimeric PNPs.
Journal of molecular biology 1999;294(5):1239-55.
1998: Agnieszka Bzowska; Jan Tebbe; M Luić; Beata Wielgus-Kutrowska; Werner Schröder; David Shugar; Wolfram Saenger; Gertraud Koellner
Crystallization and preliminary X-ray studies of purine nucleoside phosphorylase from Cellulomonas sp.
Acta crystallographica. Section D, Biological crystallography 1998;54(Pt 5):1061-3.
1998: Gertraud Koellner; M Luić; David Shugar; Wolfram Saenger; Agnieszka Bzowska
Crystal structure of the ternary complex of E. coli purine nucleoside phosphorylase with formycin B, a structural analogue of the substrate inosine, and phosphate (Sulphate) at 2.1 A resolution.
Journal of molecular biology 1998;280(1):153-66.
1998: Beata Wielgus-Kutrowska; Jan Tebbe; Werner Schröder; Marija Luic; David Shugar; Wolfram Saenger; Gertraud Koellner; Agnieszka Bzowska
Cellulomonas sp. purine nucleoside phosphorylase (PNP). Comparison with human and E. coli enzymes.
Advances in experimental medicine and biology 1998;431():259-64.
1997: Gertraud Koellner; M Luić; David Shugar; Wolfram Saenger; Agnieszka Bzowska
Crystal structure of calf spleen purine nucleoside phosphorylase in a complex with hypoxanthine at 2.15 A resolution.
Journal of molecular biology 1997;265(2):202-16.
1995: Agnieszka Bzowska; M Luić; Werner Schröder; David Shugar; Wolfram Saenger; Gertraud Koellner
Calf spleen purine nucleoside phosphorylase: purification, sequence and crystal structure of its complex with an N(7)-acycloguanosine inhibitor.
FEBS letters 1995;367(3):214-8.
1993: A Heydenreich; Gertraud Koellner; Hui-Woog Choe; F Cordes; Caroline Kisker; Hermann Schindelin; R Adamiak; Ulrich Hahn; Wolfram Saenger
The complex between ribonuclease T1 and 3'GMP suggests geometry of enzymic reaction path. An X-ray study.
European journal of biochemistry / FEBS 1993;218(3):1005-12.
1993: K Gessler; T Steiner; Gertraud Koellner; Wolfram Saenger
Crystal structures of cyclomaltoheptaose (beta-cyclodextrin) complexed with ethylene glycol.8.0H2O and glycerol.7.2H2O.
Carbohydrate research 1993;249(2):327-44.
1992: T Steiner; Gertraud Koellner; S Ali; D Zakim; Wolfram Saenger
Crystalline beta-cyclodextrin.12H2O reversibly dehydrates to beta-cyclodextrin.10.5 H2O under ambient conditions.
Biochemical and biophysical research communications 1992;188(3):1060-6.
1992: T Steiner; Gertraud Koellner; Wolfram Saenger
A vibrating flexible chain in a molecular cage: crystal structure of the complex cyclomaltoheptaose (beta-cyclodextrin)-1,4-butanediol.6.25H2O.
Carbohydrate research 1992;228(2):321-32.
1992: Gertraud Koellner; Hui-Woog Choe; Udo Heinemann; Hans-Peter Grunert; A Zouni; Ulrich Hahn; Wolfram Saenger
His92Ala mutation in ribonuclease T1 induces segmental flexibility. An X-ray study.
Journal of molecular biology 1992;224(3):701-13.
1991: Gertraud Koellner; Hans-Peter Grunert; O Landt; Wolfram Saenger
Crystal structure of the Tyr45Trp mutant of ribonuclease T1 in a complex with 2'-adenylic acid.
European journal of biochemistry / FEBS 1991;201(1):199-202.
1991: J Ding; Gertraud Koellner; Hans-Peter Grunert; Wolfram Saenger
Crystal structure of ribonuclease T1 complexed with adenosine 2'-monophosphate at 1.8-A resolution.
The Journal of biological chemistry 1991;266(23):15128-34.