X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Microbatch
pH 4.5
Temperature 277.0
Details PEG 3000, sodium acetate, pH 4.5, microbatch, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 30.8 α = 100.06
b = 36.71 β = 106.92
c = 46.25 γ = 105.27
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2002-06-13
Diffraction Radiation
Monochromator Protocol
mirror + double crystal + mirror SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM30A 0.9797 ESRF BM30A

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
1.65 28 92.0 -- 0.051 -- 2.2 -- 20771 0.0 0.0 11.4
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)
1.65 1.74 79.1 -- 0.104 4.4 1.8 1518

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 1.65 20.0 0.0 0.0 -- 19708 932 91.0 -- -- 0.186 0.216 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 1.65 1.71 -- 89 1496 0.223 0.232 -- 0.74
Temperature Factor Modeling
Temperature Factor Value
Anisotropic B[1][1] 0.423
Anisotropic B[1][2] 0.281
Anisotropic B[1][3] -0.5
Anisotropic B[2][2] 0.591
Anisotropic B[2][3] -0.292
Anisotropic B[3][3] -1.014
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 2.764
c_improper_angle_d 0.82
c_scbond_it 1.953
c_dihedral_angle_d 25.0
c_bond_d 0.05
c_mcbond_it 1.08
c_angle_deg 1.28
c_mcangle_it 1.464
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.18
Luzzati Sigma A (Observed) 0.08
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.21
Luzzati Sigma A (R-Free Set) 0.09
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1487
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 315

Software

Software
Software Name Purpose
MOSFLM data reduction
SCALA data scaling
AMoRE phasing
CNS refinement version: 1.0
CCP4 data scaling version: (SCALA)