X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.6
Details 50 MM NA CITRATE PH 5.6, 1.6 M AMMONIUM SULFATE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 95.1 α = 90
b = 95.1 β = 90
c = 312.18 γ = 120
Symmetry
Space Group H 3 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRRORS 2004-07-30
Diffraction Radiation
Monochromator Protocol
SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X13 -- EMBL/DESY, Hamburg X13

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
1.85 31 98.7 0.07 -- -- 8.7 -- 45796 -- 3.7 10.6
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)
1.85 1.96 94.5 0.2 -- 3.7 3.6 --

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 1.85 30.98 -- 0.0 -- 45794 4631 98.3 -- 0.187 0.187 0.21 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 1.85 1.97 -- 720 6523 0.212 0.235 0.009 94.7
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 15.9
Anisotropic B[1][1] 1.14
Anisotropic B[1][2] 0.77
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.14
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -2.28
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 0.47
c_mcangle_it 0.79
c_bond_d 0.006
c_scangle_it 1.15
c_angle_deg 1.3
c_dihedral_angle_d 22.9
c_scbond_it 0.67
c_improper_angle_d 1.11
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.19
Luzzati Sigma A (Observed) 0.14
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.21
Luzzati Sigma A (R-Free Set) 0.14
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2574
Nucleic Acid Atoms 512
Heterogen Atoms 54
Solvent Atoms 366

Software

Software
Software Name Purpose
CNS refinement version: 1.0
MOSFLM data reduction
SCALA data scaling
AMoRE phasing