X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 6.5
Temperature 277.0
Details MPD, potassium phosphate, pH 6.5, VAPOR DIFFUSION, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 70.7 α = 90
b = 70.7 β = 90
c = 202.4 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 281
Diffraction Detector
Detector Diffraction Type Details Collection Date
DIFFRACTOMETER WEISSENBERG -- 1990-06-02
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON PHOTON FACTORY BEAMLINE BL-6A 1.0 Photon Factory BL-6A

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym 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
2.8 50 77.9 0.116 0.08 -- 6.0 -- 10392 0.0 1.5 18.6
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
2.8 2.97 59.9 -- -- -- -- 1236

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
MOLECULAR REPLACEMENT 2.8 19.76 1.5 0.0 10392 10392 551 77.9 -- -- 0.223 0.291 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 2.8 2.97 -- 67 1236 0.375 0.41 0.05 59.9
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 17.4
Anisotropic B[1][1] 5.55
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 5.55
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -11.11
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 26.7
c_scbond_it 0.51
c_scangle_it 0.93
c_bond_d 0.01
c_improper_angle_d 0.95
c_mcangle_it 1.38
c_mcbond_it 0.84
c_angle_deg 1.5
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.36
Luzzati Sigma A (Observed) 0.79
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.49
Luzzati Sigma A (R-Free Set) 0.86
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3323
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 62

Software

Software
Software Name Purpose
Weissenberg data collection
WEIS data reduction
MERLOT phasing
CNS refinement version: 1.0
WEISSENBERG data reduction
WEIS data scaling