| Experiment | |
|---|---|
Method _exptl.method | X-RAY DIFFRACTION |
Source type _diffrn_source.source | SYNCHROTRON |
Source details _diffrn_source.type | SRS BEAMLINE PX9.5 |
Synchrotron site _diffrn_source.pdbx_synchrotron_site | SRS |
Beamline _diffrn_source.pdbx_synchrotron_beamline | PX9.5 |
Temperature [K] _diffrn.ambient_temp | 295 |
Detector technology _diffrn_detector.detector | IMAGE PLATE |
Collection date _diffrn_detector.pdbx_collection_date | 1995-08 |
Detector _diffrn_detector.type | MAR scanner 300 mm plate |
| Software | |
Data reduction _software.classification | DENZO |
Data scaling _software.classification | SCALEPACK |
Phasing _software.classification | X-PLOR (3.1) |
Model building _software.classification | X-PLOR (3.1) |
Refinement _software.classification | X-PLOR (3.1) |
| General information | |
Spacegroup name _symmetry.space_group_name_H-M | C 2 2 21 |
Unit cell parameters _cell.length_{a,b,c} _cell.angle_{alpha,beta,gamma} | 61.3 177.3 79.1 90.0 90.0 90.0 |
Wavelength _diffrn_radiation_wavelength.wavelength | NA |
| Data quality metrics | Overall | OuterShell |
|---|---|---|
Low resolution limit [Å] _reflns.d_resolution_low _reflns_shell.d_res_low | 40.000 | 1.960 |
High resolution limit [Å] _reflns.d_resolution_high _reflns_shell.d_res_high | 1.900 | 1.900 |
Rmerge _reflns.pdbx_Rmerge_I_obs _reflns_shell.Rmerge_I_obs | 0.065 | 0.157 |
| Rmeas | - | - |
| Rpim | - | - |
| Total number of observations | - | - |
Total number unique _reflns.number_obs | 30175 | - |
<I/σ(I)> _reflns.pdbx_netI_over_sigmaI _reflns_shell.meanI_over_sigI_obs | 13.50 | 4.30 |
Completeness [%] _reflns.percent_possible_obs _reflns_shell.percent_possible_all | 87.5 | 73.8 |
Multiplicity _reflns.pdbx_redundancy | 5.3 | - |
| CC(1/2) | - | - |
| Refinement | |
|---|---|
PDB entry ID _entry.id | 1CA1 |
Deposition date _pdbx_database_status.recvd_initial_deposition_date | 1998-04-22 |
Resolution _refine.ls_d_res_low _refine.ls_d_res_high | 25.0 - 1.900 Å |
Rwork/Rfree _refine.ls_R_factor_R_work _refine.ls_R_factor_R_free | 0.2080 / 0.2540 |
Structure solution method _refine.pdbx_method_to_determine_struct | SIR, MOLECULAR REPLACEMENT AND CROSS-CRYSTAL AVERAGING |
Starting model (for MR) _refine.pdbx_starting_model | INCOMPLETE EARLIER CHAIN TRACE OF ALTERNATE STRAIN |