4DP4
The 1.54 Angstrom crystal structure of reduced (CuI) poplar plastocyanin B at pH 6.0
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6 | 277 | 2.6 M ammonium sulfate, 0.1 M sodium acetate buffer, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.85 | 33.67 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 31.913 | α = 90 |
b = 46.246 | β = 90 |
c = 52.648 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
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 | MAR CCD 165 mm | mirrors | 2002-03-06 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | MPG/DESY, HAMBURG BEAMLINE BW6 | 1.05 | MPG/DESY, HAMBURG | BW6 |
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 | 1.54 | 14.74 | 99.7 | 0.068 | 16.7 | 4.2 | 11813 | 11778 | 2 | 15.01 |
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 | 1.54 | 1.57 | 98.8 | 0.433 | 2.2 | 4.1 | 584 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | 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 | PDB ENTRY 1PLC | 1.54 | 14.74 | 11517 | 11187 | 560 | 97.13 | 0.16317 | 0.15988 | 0.23294 | RANDOM | 16.82 |
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] | |
-0.64 | 0.46 | 0.17 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 32.086 |
r_dihedral_angle_3_deg | 13.458 |
r_dihedral_angle_1_deg | 6.865 |
r_sphericity_bonded | 4.888 |
r_angle_refined_deg | 2.493 |
r_chiral_restr | 0.15 |
r_bond_refined_d | 0.024 |
r_gen_planes_refined | 0.014 |
r_bond_other_d | |
r_angle_other_deg |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 737 |
Nucleic Acid Atoms | |
Solvent Atoms | 124 |
Heterogen Atoms | 12 |
Software
Software | |
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Software Name | Purpose |
MAR345 | data collection |
MOLREP | phasing |
REFMAC | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |