Data quality metrics extracted from 1a3i.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 1A3I at RCSB, PDBe, PDBj

Experiment
Method
_exptl.method
X-RAY DIFFRACTION
Temperature [K]
_diffrn.ambient_temp
259.0
Detector technology
_diffrn_detector.detector
DIFFRACTOMETER
Collection date
_diffrn_detector.pdbx_collection_date
1991-10
Detector
_diffrn_detector.type
ENRAF-NONIUS FAST
Software
Data reduction
_software.classification
MOLEN
Phasing
_software.classification
X-PLOR (3.1)
Model building
_software.classification
X-PLOR (3.1)
Refinement #1
_software.classification
LALS
Refinement #2
_software.classification
X-PLOR
General information
Spacegroup name
_symmetry.space_group_name_H-M
P 21 21 21
Unit cell parameters
_cell.length_{a,b,c} _cell.angle_{alpha,beta,gamma}
26.82 26.29 20.18 90.0 90.0 90.0
Wavelength
_diffrn_radiation_wavelength.wavelength
1.54180 Å

Data quality metricsOverallOuterShell
Low resolution limit [Å]
_reflns.d_resolution_low _reflns_shell.d_res_low
8.000 2.200
High resolution limit [Å]
_reflns.d_resolution_high _reflns_shell.d_res_high
1.970 1.970
  Rmerge - -
  Rmeas - -
  Rpim - -
  Total number of observations - -
Total number unique
_reflns.number_obs
1136 -
  <I/σ(I)> - -
Completeness [%]
_reflns.percent_possible_obs _reflns_shell.percent_possible_all
99.5 98.0
  Multiplicity - -
  CC(1/2) - -

Refinement
PDB entry ID
_entry.id
1A3I
Deposition date
_pdbx_database_status.recvd_initial_deposition_date
1998-01-22
Resolution
_refine.ls_d_res_low _refine.ls_d_res_high
8.0 - 1.970 Å
R
_refine.ls_R_factor_obs
0.1810
Rwork
_refine.ls_R_factor_R_work
0.1810
WARNING: no Rfree given?
Structure solution method
_refine.pdbx_method_to_determine_struct
MOLECULAR REPLACEMENT
Starting model (for MR)
_refine.pdbx_starting_model
IDEALIZED SEVEN-FOLD TRIPLE-HELIX