X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Small Tubes
pH 4.5
Temperature 273.0
Details SODIUM ACETATE, pH 4.5, SMALL TUBES, temperature 273K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 74.8 α = 90
b = 72.13 β = 92.04
c = 82.43 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 277
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1997-07-21
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 -- -- --

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
2.3 25 95.0 0.085 -- -- 2.9 106657 37076 0.0 0.0 18.4
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)
2.3 2.38 97.0 0.231 -- -- 2.8 --

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
-- 2.3 25.0 0.0 0.0 37040 37040 3710 94.6 0.157 0.157 0.157 0.202 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 2.3 2.44 -- 670 5505 0.19 0.255 0.01 94.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 29.9
Anisotropic B[1][1] 1.55
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -2.92
Anisotropic B[2][2] -1.22
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.32
RMS Deviations
Key Refinement Restraint Deviation
c_scbond_it 4.54
c_bond_d 0.007
c_angle_deg 1.4
c_dihedral_angle_d 23.4
c_improper_angle_d 0.91
c_mcbond_it 2.51
c_scangle_it 5.88
c_mcangle_it 3.46
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.21
Luzzati Sigma A (Observed) 0.18
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.28
Luzzati Sigma A (R-Free Set) 0.26
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6167
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 343

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
AMoRE phasing
CNS refinement version: 0.5