@string{JMB = {Journal of Molecular Biology}}
@string{PNAS = {Proceedings of the National Academy of Sciences}}

@article{brunger:92,
  AUTHOR = {Brunger, A.T.},
  TITLE = {The free {R} value: a novel statistical quantity for
                 assessing the accuracy of crystal structures},
  JOURNAL = {Nature},
  VOLUME = {355},
  PAGES = {472-474},
  YEAR = {1992}
}

@article{brunger:98,
  AUTHOR = {Brunger, A. T. and Adams, P. D. and Clore, G. M. and
                 DeLano, W. L. and Gros, P. and Grosse-Kunstleve,
                 R. W. and Jiang, J. S. and Kuszewski, J. and Nilges,
                 M. and Pannu, N. S. and Read, R. J. and Rice,
                 L. M. and Simonson, T. and Warren, G. L.},
  TITLE = {Crystallography \& {NMR} system: A new software suite for
                 macromolecular structure determination},
  JOURNAL = {Acta Cryst.},
  VOLUME = {D54},
  PAGES = {905-921},
  YEAR = {1998}
}

@article{laskowski:93,
   AUTHOR = {Laskowski, R. A. and Moss, D. S. and Thornton, J. M.},
   TITLE = {Main-chain bond lengths and bond angles in protein
                  structures},
   JOURNAL = {JMB},
   VOLUME = {231},
   NUMBER = {4},
   PAGES = {1049-67},
   YEAR = {1993}
}

@article{jones:91,
  AUTHOR = {Jones, T. A. and Zou, J. Y. and Cowan, S. W. and
                  Kjeldgaard, M.},
  TITLE = {Improved methods for building protein models in electron
                 density maps and the location of errors in these
                 models},
  JOURNAL = {Acta Cryst.},
  VOLUME = {A47},
  PAGES = {110-9},
  YEAR = {1991}
}

@incollection{otwinowski:97,
  AUTHOR = {Otwinowski, Z. and Minor, W.},
  TITLE = {Processing of {X}-ray Diffraction Data Collected in
                  Oscillation Mode},
  BOOKTITLE = {Methods Enzymol.},
  EDITOR = {Carter, Jr, C. W. and Sweet, R. M.},
  EDITION = {{M}acromolecular {C}rystallography, {P}art {A}},
  PUBLISHER = {Academic Press},
  ADDRESS = {New York},
  YEAR = {1997},
  VOLUME = {276},
  PAGES = {307-326},
  KEYWORDS = {}
}

@incollection{sheldrick:97,
  AUTHOR = {Sheldrick, G. M. and Schneider, T. R.},
  TITLE = {{SHELXL}: high-resolution refinement},
  BOOKTITLE = {Methods Enzymol.},
  EDITOR = {Carter, Jr, C. W. and Sweet, R. M.},
  EDITION = {{M}acromolecular {C}rystallography, {P}art {B}},
  PUBLISHER = {Academic Press},
  ADDRESS = {San Diego, CA},
  YEAR = {1997},
  VOLUME = {277},
  PAGES = {319-343},
  KEYWORDS = {}
}

@article{read:86,
  AUTHOR = {Read, R. J.},
  TITLE = {Improved {F}ourier coefficients for maps using phases from
                  partial structures with errors},
  JOURNAL = {Acta Cryst.},
  VOLUME = {A42},
  PAGES = {140-149},
  YEAR = {1986}
}

@article{adams:97,
  AUTHOR = {Adams, P. D. and Pannu, N. S. and Read, R. J. and Brunger, A. T.},
  TITLE = {Cross-validated maximum likelihood enhances
                 crystallographic simulated annealing refinement},
  JOURNAL = {PNAS},
  VOLUME = {94},
  NUMBER = {10},
  PAGES = {5018-5023},
  YEAR = {1997}
}

@article{berman:00,
  AUTHOR = {Berman, H. M. and Westbrook, J. and Feng, Z. and
                  Gilliland, G. and Bhat, T. N. and Weissig, H. and
                  Shindyalov, I. N. and Bourne, P. E.},
  TITLE = {The Protein Data Bank},
  YEAR = {2000},
  JOURNAL = {Nucleic Acids Res.},
  VOLUME = {28},
  NUMBER = {1},
  PAGES = {235-242},
  KEYWORDS = {}
}

@article{merritt:99,
  AUTHOR = {Merritt, E. A.},
  TITLE = {Expanding the model: anisotropic displacement parameters in
                  protein structure refinement},
  YEAR = {1999},
  JOURNAL = {Acta Cryst.},
  VOLUME = {D55},
  PAGES = {1109-1117},
  KEYWORDS = {}
}

@article{trueblood:96,
  AUTHOR = {Trueblood, K. N. and B\"{u}rgi, H. B. and Burzlaff, H. and
                  Dunitz, J. D. and Gramaccioli, C. M. and Schulz,
                  H. H. and Shmueli, U. and Abrahams, S. C.},
  TITLE = {Atomic Displacement Parameter Nomenclature: Report of a
                  Subcommittee on Atomic Displacement Parameter
                  Nomenclature},
  YEAR = {1996},
  JOURNAL = {Acta Cryst.},
  VOLUME = {A52},
  PAGES = {770-781},
  KEYWORDS = {}
}

@article{wilson:00,
  AUTHOR = {Wilson, M. A. and Br\"{u}nger, A. T.},
  TITLE = {The 1.0{{\AA}} Crystal Structure of {C}a$^{2+}$-bound
                  Calmodulin: an Analysis of Disorder and Implications
                  for Functionally Relevant Plasticity},
  YEAR = {2000},
  JOURNAL = {JMB},
  VOLUME = {301},
  NUMBER = {5},
  PAGES = {1237-1256},
  KEYWORDS = {}
}

@manual{ortep:96,
  AUTHOR = {Burnett, M. N. and Johnson, C. K.},
  TITLE = {ORTEP-III: Oak Ridge Thermal Ellipsoid Plot Program for
                  Crystal Structure Illustrations},
  YEAR = {1996},
  ORGANIZATION = {Oak Ridge National Laboratory Report ORNL-6895},
  KEYWORDS = {}
}

@article{waasmaier:95,
  AUTHOR = {Waasmaier, D. and Kirfel, A.},
  TITLE = {New Analytical Scattering-Factor Functions for Free Atoms
                  and Ions},
  YEAR = {1995},
  JOURNAL = {Acta Cryst.},
  VOLUME = {A51},
  NUMBER = {},
  PAGES = {416-431},
  KEYWORDS = {}
}

@techreport{caticha-ellis:81,
  AUTHOR = {Caticha-Ellis, S.},
  TITLE = {Anomalous Dispersion of {X}-rays in Crystallography},
  INSTITUTION = {Instituto de Fisica `Gleb Wataghin' Universidade
                  Estadual de Campinas C.P. 1170},
  YEAR = {1981},
  NUMBER = {8},
  KEYWORDS = {}
}

@article{rosenfield:78,
  AUTHOR = {Rosenfield, Jr, R. E. and Trueblood, N. and Dunitz,
                  J. D.},
  TITLE = {A test for rigid-body vibrations, based on a generalization
                  of {H}irshfeld's `rigid-bond' postulate},
  YEAR = {1978},
  JOURNAL = {Acta Cryst.},
  VOLUME = {A34},
  NUMBER = {},
  PAGES = {828-829},
  KEYWORDS = {}
}