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  1. No Access

    Article

    No observable conformational changes in PSII

    Nicholas K. Sauter, Nathaniel Echols, Paul D. Adams, Petrus H. Zwart, Jan Kern in Nature (2016)

  2. No Access

    Protocol

    RNA Structure Refinement Using the ERRASER-Phenix Pipeline

    The final step of RNA crystallography involves the fitting of coordinates into electron density maps. The large number of backbone atoms in RNA presents a difficult and tedious challenge, particularly when exp...

    Fang-Chieh Chou, Nathaniel Echols, Thomas C. Terwilliger in Nucleic Acid Crystallography (2016)

  3. No Access

    Article

    EMRinger: side chain–directed model and map validation for 3D cryo-electron microscopy

    The fit of atomic models of protein structures to high-resolution cryo-electron microscopy maps can be assessed with a validation tool, EMRinger.

    Benjamin A Barad, Nathaniel Echols, Ray Yu-Ruei Wang, Yifan Cheng in Nature Methods (2015)

  4. Article

    Correction: Corrigendum: Accurate macromolecular structures using minimal measurements from X-ray free-electron lasers

    Nat. Methods 11, 545–548 (2014); published online 16 March 2014; corrected after print 3 June 2015 In the version of this article initially published, the authors claimed that with the tool cctbx.xfel, weak di...

    Johan Hattne, Nathaniel Echols, Rosalie Tran, Jan Kern, Richard J Gildea in Nature Methods (2015)

  5. No Access

    Article

    Macromolecular X-ray structure determination using weak, single-wavelength anomalous data

    An improved analysis approach for single-wavelength anomalous diffraction (SAD)-based macromolecular X-ray structure determination expands the applicability of this phasing method for macromolecules with weak ...

    Gábor Bunkóczi, Airlie J McCoy, Nathaniel Echols, Ralf W Grosse-Kunstleve in Nature Methods (2015)

  6. No Access

    Article

    Taking snapshots of photosynthetic water oxidation using femtosecond X-ray diffraction and spectroscopy

    The dioxygen we breathe is formed by light-induced oxidation of water in photosystem II. O2 formation takes place at a catalytic manganese cluster within milliseconds after the photosystem II reaction centre is e...

    Jan Kern, Rosalie Tran, Roberto Alonso-Mori, Sergey Koroidov in Nature Communications (2014)

  7. No Access

    Article

    Accurate macromolecular structures using minimal measurements from X-ray free-electron lasers

    A computational approach and software tool, cctbx.xfel, enables the determination of accurate macromolecular structure factors using a relatively small number of serial femtosecond crystallography diffraction ...

    Johan Hattne, Nathaniel Echols, Rosalie Tran, Jan Kern, Richard J Gildea in Nature Methods (2014)

  8. No Access

    Article

    Improved low-resolution crystallographic refinement with Phenix and Rosetta

    An approach combining the sampling methodology and energy function of Rosetta with the X-ray refinement methodology of Phenix enables improved low-resolution crystallographic refinement.

    Frank DiMaio, Nathaniel Echols, Jeffrey J Headd, Thomas C Terwilliger in Nature Methods (2013)

  9. Article

    Open Access

    phenix.mr_rosetta: molecular replacement and model rebuilding with Phenix and Rosetta

    The combination of algorithms from the structure-modeling field with those of crystallographic structure determination can broaden the range of templates that are useful for structure determination by the meth...

    Thomas C. Terwilliger, Frank DiMaio in Journal of Structural and Functional Genom… (2012)

  10. No Access

    Article

    An integrated approach for finding overlooked genes in yeast

    We report here the discovery of 137 previously unappreciated genes in yeast through a widely applicable and highly scalable approach integrating methods of gene-trap**, microarray-based expression analysis, ...

    Anuj Kumar, Paul M. Harrison, Kei-Hoi Cheung, Ning Lan in Nature Biotechnology (2002)