X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8
Temperature 296.0
Details POLYETHYLENEGLYCOL 4000, GLYCEROL, TRIS, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 296K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 61.35 α = 90
b = 97.87 β = 90.78
c = 80.97 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2000-11-18
Diffraction Radiation
Monochromator Protocol
GRAPHITE MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 5ID-B 1.00 APS 5ID-B

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
1.95 19.97 94.9 0.194 -- -- 6.8 69641 68300 0.0 1.0 15.1
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)
1.95 2.02 98.1 0.23 -- -- 6.3 --

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
MAD 1.95 19.89 2.0 0.0 69641 66146 5838 95.0 0.228 0.194 0.195 0.228 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 1.95 2.04 7689 614 7075 0.253 0.254 0.01 88.2
X Ray Diffraction 2.04 2.15 8026 649 7377 0.242 0.245 0.01 92.3
X Ray Diffraction 2.15 2.28 8129 644 7485 0.22 0.223 0.009 93.8
X Ray Diffraction 2.28 2.46 8285 753 7532 0.207 0.208 0.008 95.1
X Ray Diffraction 2.46 2.7 8371 779 7592 0.201 0.2 0.007 96.3
X Ray Diffraction 2.7 3.09 8481 827 7654 0.196 0.196 0.007 97.7
X Ray Diffraction 3.09 3.89 8561 810 7751 0.175 0.177 0.006 98.2
X Ray Diffraction 3.89 19.89 8604 762 7842 0.177 0.176 0.006 97.4
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 30.4
Anisotropic B[1][1] -6.39
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -0.27
Anisotropic B[2][2] 11.08
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -4.69
RMS Deviations
Key Refinement Restraint Deviation
x_torsion_impr_deg 0.8
x_torsion_deg 23.3
x_bond_d 0.006
x_angle_deg 1.3
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.21
Luzzati Sigma A (Observed) 0.22
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.25
Luzzati Sigma A (R-Free Set) 0.19
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7439
Nucleic Acid Atoms 0
Heterogen Atoms 128
Solvent Atoms 622

Software

Software
Software Name Purpose
CNS refinement version: 1.0
MAR345 data collection
SCALEPACK data scaling
CNS phasing