Macromolecular dictionary (mmCIF) version 2.0.09
Category REFINE
Name:'refine'
Description:
Data items in the REFINE category record details about the structure-refinement parameters.Examples:
Example 1 - based on PDB entry 5HVP and laboratory records for the
structure corresponding to PDB entry 5HVP.
_refine.entry_id '5HVP' _refine.ls_number_reflns_obs 12901 _refine.ls_number_restraints 6609 _refine.ls_number_parameters 7032 _refine.ls_R_Factor_obs 0.176 _refine.ls_weighting_scheme calc _refine.ls_weighting_details ; Sigdel model of Konnert-Hendrickson: Sigdel: Afsig + Bfsig*(sin(theta)/lambda-1/6) Afsig = 22.0, Bfsig = -150.0 at beginning of refinement Afsig = 15.5, Bfsig = -50.0 at end of refinement ; |
Example 2 - based on data set TOZ of Willis, Beckwith & Tozer
[Acta Cryst. (1991), C47, 2276-2277].
_refine.details sfls:_F_calc_weight_full_matrix _refine.ls_structure_factor_coef F _refine.ls_matrix_type full _refine.ls_weighting_scheme calc _refine.ls_weighting_details 'w=1/(\s^2^(F)+0.0004F^2^)' _refine.ls_hydrogen_treatment 'refxyz except H332B noref' _refine.ls_extinction_method Zachariasen _refine.ls_extinction_coef 3514 _refine.ls_extinction_expression ; Larson, A. C. (1970). "Crystallographic Computing", edited by F. R. Ahmed. Eq. (22) p. 292. Copenhagen: Munksgaard. _refine.ls_abs_structure_details ; The absolute configuration was assigned to agree with the known chirality at C3 arising from its precursor l-leucine. ; _refine.ls_abs_structure_Flack 0 _refine.ls_number_reflns_obs 1408 _refine.ls_number_parameters 272 _refine.ls_number_restraints 0 _refine.ls_number_constraints 0 _refine.ls_R_factor_all .038 _refine.ls_R_factor_obs .034 _refine.ls_wR_factor_all .044 _refine.ls_wR_factor_obs .042 _refine.ls_goodness_of_fit_all 1.462 _refine.ls_goodness_of_fit_obs 1.515 _refine.ls_shift_over_esd_max .535 _refine.ls_shift_over_esd_mean .044 _refine.diff_density_min -.108 _refine.diff_density_max .131 |
Category groups:
inclusive_group
refine_group
Category key:
_refine.entry_id
Mandatory category: no