X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 4.6
Temperature 100.0
Details magnesium sulphate; sodium acetate or bicine, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 100K
Method Vapor Diffusion Hanging Drop
pH 9
Temperature 100.0
Details magnesium sulphate; sodium acetate or bicine, pH 9.0, VAPOR DIFFUSION, HANGING DROP, temperature 100K
Method Vapor Diffusion Hanging Drop
pH 4.6
Temperature 100.0
Details magnesium sulphate; sodium acetate or bicine, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 100K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 56.63 α = 90
b = 56.63 β = 90
c = 113.87 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
2 100
3 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 2001-02-23
CCD ADSC QUANTUM 4 -- 2001-07-09
IMAGE PLATE MARRESEARCH -- 2001-03-09
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID29 0.976257 ESRF ID29
ROTATING ANODE ELLIOTT GX-20 1.5418 -- --
ROTATING ANODE ELLIOTT GX-20 1.5418 -- --

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 50 95.1 0.074 -- -- 7.7 14920 14176 -- -3.0 44.0
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 2.06 83.3 0.463 -- 3.3 4.1 1004

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
SIR 2.0 30.02 -- 0.0 14176 13923 711 93.5 -- -- 0.242 0.278 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 2.13 1922 107 1815 0.454 0.49 0.047 79.6
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 55.0
Anisotropic B[1][1] 0.72
Anisotropic B[1][2] -3.43
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.72
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.44
RMS Deviations
Key Refinement Restraint Deviation
c_scbond_it 7.89
c_mcangle_it 7.66
c_dihedral_angle_d 16.1
c_mcbond_it 5.72
c_angle_deg 1.2
c_improper_angle_d 0.8
c_scangle_it 11.27
c_bond_d 0.01
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.33
Luzzati Sigma A (Observed) 0.36
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.32
Luzzati Sigma A (R-Free Set) 0.42
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1000
Nucleic Acid Atoms 0
Heterogen Atoms 58
Solvent Atoms 105

Software

Software
Software Name Purpose
DENZO data reduction
TRUNCATE data reduction
SHARP phasing
CNS refinement
CCP4 data scaling version: (TRUNCATE)