X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.6
Details pH 5.6

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 159.96 α = 90
b = 105.48 β = 92.06
c = 84.92 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC -- 1997-12
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE F1 -- CHESS F1

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
2.2 50 99.3 -- 0.067 -- 2.5 -- 70918 -- -- 45.12
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)
2.2 2.32 99.4 -- 0.391 1.1 2.5 --

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
SIRAS 2.2 50.0 -- 0.0 -- 70918 3595 99.3 -- 0.218 0.218 0.266 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 2.2 2.28 -- 374 6707 0.28 0.36 -- 99.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 47.6
Anisotropic B[1][1] -3.489
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.066
Anisotropic B[2][2] -4.825
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 8.314
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 2.845
c_scbond_it 1.927
c_mcangle_it 1.913
c_mcbond_it 1.187
c_improper_angle_d 4.22
c_bond_d 0.018
c_angle_deg 2.61
c_dihedral_angle_d 24.53
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.28
Luzzati Sigma A (Observed) 0.24
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.37
Luzzati Sigma A (R-Free Set) 0.36
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7423
Nucleic Acid Atoms 0
Heterogen Atoms 3
Solvent Atoms 666

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 Data Reduction (data scaling)
HEAVY, PATSOL Structure Solution
CNS 0.4 Structure Refinement
Software
Software Name Purpose
CNS version: 0.4 refinement
PATSOL model building
HEAVY model building