Data quality metrics extracted from 1khu.cif.gz by aB_cif2table1 from BUSTER (Global Phasing Ltd.). See also the PDBx/mmCIF dictionary and a MXLIMS-compatible JSON representation.

Experimental information for 1KHU at RCSB, PDBe, PDBj

Experiment
Method
_exptl.method
X-RAY DIFFRACTION
  The method used in the experiment.
Experimental protocol
_diffrn_radiation.pdbx_diffrn_protocol
SINGLE WAVELENGTH
  SINGLE WAVELENGTH, LAUE, or MAD.
Source type
_diffrn_source.source
ROTATING ANODE
  The general class of the radiation source.
Source details
_diffrn_source.type
RIGAKU
  The make, model or name of the source of radiation.
Temperature [K]
_diffrn.ambient_temp
113
  The mean temperature in kelvins at which the intensities were
  measured.
Software
Data reduction
_software.classification
DENZO
  The classification of the program according to its
  major function.
Data scaling #1
_software.classification
SCALA
  The classification of the program according to its
  major function.
Data scaling #2
_software.classification
CCP4 (SCALA)
  The classification of the program according to its
  major function.
Phasing
_software.classification
CNS
  The classification of the program according to its
  major function.
Refinement
_software.classification
CNS
  The classification of the program according to its
  major function.
General information
Spacegroup name
_symmetry.space_group_name_H-M
H 3
  Hermann-Mauguin space-group symbol. Note that the
  Hermann-Mauguin symbol does not necessarily contain complete
  information about the symmetry and the space-group origin. If
  used, always supply the FULL symbol from International Tables
  for Crystallography Vol. A (2002) and indicate the origin and
  the setting if it is not implicit. If there is any doubt that
  the equivalent positions can be uniquely deduced from this
  symbol, specify the  _symmetry_equiv.pos_as_xyz or
  _symmetry.space_group_name_Hall  data items as well. Leave
  spaces between symbols referring to
  different axes.
Unit cell parameters
_cell.length_{a,b,c} _cell.angle_{alpha,beta,gamma}
138.129
  Unit-cell length a corresponding to the structure reported in
  angstroms.
138.129
  Unit-cell length b corresponding to the structure reported in
  angstroms.
199.340
  Unit-cell length c corresponding to the structure reported in
  angstroms.
90.0
  Unit-cell angle alpha of the reported structure in degrees.
90.0
  Unit-cell angle beta of the reported structure in degrees.
120.0
  Unit-cell angle gamma of the reported structure in degrees.
Wavelength
_diffrn_radiation_wavelength.wavelength
NA

Data quality metricsOverall
Low resolution limit [Å] 
_reflns.d_resolution_low
100.000
  The largest value in angstroms for the interplanar spacings
  for the reflection data. This is called the lowest resolution.
High resolution limit [Å] 
_reflns.d_resolution_high
2.500
  The smallest value in angstroms for the interplanar spacings
  for the reflection data. This is called the highest resolution.
Rmerge 
_reflns.pdbx_Rmerge_I_obs
0.065
  The R value for merging intensities satisfying the observed
  criteria in this data set.
  Rmeas -
  Rpim -
  Total number of observations -
Total number unique 
_reflns.number_obs
47621
  The number of reflections in the REFLN list (not the DIFFRN_REFLN
  list) classified as observed (see _reflns.observed_criterion).
  This number may contain Friedel-equivalent reflections according
  to the nature of the structure and the procedures used.
<I/σ(I)> 
_reflns.pdbx_netI_over_sigmaI
10.40
  The mean of the ratio of the intensities to their
  standard uncertainties, <I/sigma(I)>.
  Completeness [%] -
Multiplicity 
_reflns.pdbx_redundancy
1.7
  Overall redundancy for this data set.
  CC(1/2) -

Refinement
PDB entry ID
_entry.id
1KHU
Deposition date
_pdbx_database_status.recvd_initial_deposition_date
2001-12-01
Resolution
_refine.ls_d_res_low _refine.ls_d_res_high
38.0 - 2.500 Å
Rwork/Rfree
_refine.ls_R_factor_R_work _refine.ls_R_factor_R_free
0.2390 / 0.2740
Structure solution method
_refine.pdbx_method_to_determine_struct
MOLECULAR REPLACEMENT
Starting model (for MR)
_refine.pdbx_starting_model
Smad4 active fragment homotrimer