X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details pH 7.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 27.9 α = 107.39
b = 28.52 β = 96.87
c = 37.19 γ = 104.56
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 300
Diffraction Detector
Detector Diffraction Type Details Collection Date
-- -- MSC/YALE MIRRORS 1998-10-09
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
1.8 25.93 94.0 0.072 -- -- 3.7 9088 33871 0.0 4.0 16.4
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)
1.8 1.86 90.2 0.353 -- -- -- --

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 1.8 26.0 -- 2.0 9590 8373 517 87.3 -- -- 0.202 0.233 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 1.8 1.88 834 55 779 0.254 0.249 0.034 68.9
X Ray Diffraction 1.88 1.98 941 51 890 0.235 0.234 0.033 79.2
X Ray Diffraction 1.98 2.11 998 53 945 0.205 0.205 0.028 84.3
X Ray Diffraction 2.11 2.27 1056 60 996 0.21 0.211 0.027 88.0
X Ray Diffraction 2.27 2.5 1095 63 1032 0.2 0.202 0.025 90.9
X Ray Diffraction 2.5 2.86 1118 16 1102 0.207 0.207 0.052 92.5
X Ray Diffraction 2.86 3.6 1151 112 1039 0.202 0.203 0.019 96.6
X Ray Diffraction 3.6 25.93 1180 107 1073 0.184 0.184 0.018 98.1
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 22.36
Anisotropic B[1][1] -2.55
Anisotropic B[1][2] 1.03
Anisotropic B[1][3] 1.4
Anisotropic B[2][2] 0.98
Anisotropic B[2][3] 1.19
Anisotropic B[3][3] 1.57
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 0.87
x_dihedral_angle_d 25.6
x_angle_deg 1.4
x_bond_d 0.007
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.2
Luzzati Sigma A (Observed) 0.14
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.23
Luzzati Sigma A (R-Free Set) 0.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 970
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 94

Software

Computing
Computing Package Purpose
R-AXIS Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
CNS 0.5 Structure Refinement
Software
Software Name Purpose
Crystallography & NMR System version: 0.5 refinement