1RZZ
PHOTOSYNTHETIC REACTION CENTER DOUBLE MUTANT FROM RHODOBACTER SPHAEROIDES WITH ASP L213 REPLACED WITH ASN AND ARG M233 REPLACED WITH CYS IN THE CHARGE-NEUTRAL DQAQB STATE (TETRAGONAL FORM)
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | SSRL BEAMLINE BL9-2 |
Synchrotron site | SSRL |
Beamline | BL9-2 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2000-01-13 |
Detector | ADSC |
Wavelength(s) | 1.03 |
Spacegroup name | P 43 21 2 |
Unit cell lengths | 139.582, 139.582, 274.731 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 39.760 - 2.400 |
R-factor | 0.216 |
Rwork | 0.216 |
R-free | 0.23800 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1aij |
RMSD bond length | 0.011 |
RMSD bond angle | 1.500 |
Data reduction software | MOSFLM |
Data scaling software | SCALA |
Phasing software | CNS |
Refinement software | CNS |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 39.840 | 2.530 |
High resolution limit [Å] | 2.400 | 2.400 |
Number of reflections | 104640 | |
<I/σ(I)> | 5.9 | 1.9 |
Completeness [%] | 98.6 | 95.3 |
Redundancy | 4.9 | 3.4 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 292 | PEG4000, TRIS-HCL, EDTA, LDAO, HAPTANETRIOL, SODIUM CHLORIDE, pH 8.50, VAPOR DIFFUSION, SITTING DROP, temperature 292K |