X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 4.5
Temperature 293.0
Details Ammonium Sulfate , Sodium Acetate, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 52.57 α = 90
b = 52.57 β = 90
c = 58.13 γ = 120
Symmetry
Space Group P 63

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2002-04-11
Diffraction Radiation
Monochromator Protocol
MONOCHROMATOR + MIRROR MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SPRING-8 BEAMLINE BL41XU 0.9000, 0.9792, 0.9794 SPRING-8 BL41XU

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 20 98.9 -- 0.058 -- 11.2 6186 6154 -- 3.0 32.8
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)
2.0 2.11 99.3 -- 0.112 6.9 11.3 901

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
MAD 2.0 10.0 0.0 0.0 6122 6114 589 98.9 -- -- 0.239 0.287 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 2.0 2.07 607 64 607 0.292 0.379 -- 99.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model ISOTROPIC
Mean Isotropic B 23.657
Anisotropic B[1][1] -0.846
Anisotropic B[1][2] -1.067
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.846
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.692
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 2.63
c_scbond_it 2.05
c_mcangle_it 1.73
c_mcbond_it 1.26
c_improper_angle_d 1.76773
c_dihedral_angle_d 23.7386
c_angle_deg 1.90039
c_bond_d 0.013115
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.34
Luzzati Sigma A (Observed) 0.41
Luzzati Resolution Cutoff (Low) 5.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 873
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 36

Software

Computing
Computing Package Purpose
HKL-2000 Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SHARP, DM Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS version: 1.0 refinement
DM model building
SHARP model building
SCALEPACK data reduction
HKL-2000 data collection