5LSE
PHOTOSYNTHETIC REACTION CENTER MUTANT WITH Glu L212 replaced with Ala (CHAIN L, EL212W), Asp L213 replaced with ALA (Chain L, DL213A) AND LEU M215 REPLACED WITH ALA (CHAIN M, LM215A)
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 291 | Well containing 9 mg mL-1 RC, 0.09 % v/v LDAO, 3.5 % w/v 1,2,3-heptanetriol, and 0.75 M potassium phosphate (pH 7.5) equilibrated against 1.5 M potassium phosphate |
Crystal Properties | |
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Matthews coefficient | Solvent content |
5.2 | 74.5 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 138.993 | α = 90 |
b = 138.993 | β = 90 |
c = 184.711 | γ = 120 |
Symmetry | |
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Space Group | P 31 2 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 4r | 2003-11-11 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SRS BEAMLINE PX14.1 | 0.977 | SRS | PX14.1 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | ||||||||
1 | 2.5 | 23.9 | 98.4 | 0.07 | 16 | 5.1 | 70501 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 2.5 | 2.56 | 97.9 | 0.53 | 2.7 | 4.8 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | WILD TYPE RHODOBACTER SPHAEROIDES COORDINATES (Unpublished data) | 2.5 | 23.9 | 67435 | 3515 | 98.76 | 0.16934 | 0.16769 | 0.20118 | RANDOM | 50.22 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
0.13 | 0.06 | 0.13 | -0.42 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 33.189 |
r_dihedral_angle_4_deg | 18.51 |
r_dihedral_angle_3_deg | 15.553 |
r_dihedral_angle_1_deg | 6.358 |
r_long_range_B_other | 5.826 |
r_long_range_B_refined | 5.821 |
r_scangle_other | 4.022 |
r_mcangle_it | 2.979 |
r_mcangle_other | 2.979 |
r_scbond_it | 2.547 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 6447 |
Nucleic Acid Atoms | |
Solvent Atoms | 270 |
Heterogen Atoms | 710 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
AMoRE | phasing |