X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 3.8
Temperature 291.0
Details ammonium sulfate, sodium acetate, pH 3.8, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 51.36 α = 90
b = 51.36 β = 90
c = 133.68 γ = 120
Symmetry
Space Group P 65 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
2 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH mirrors 2001-09-16
CCD MARRESEARCH mirrors 2001-03-29
Diffraction Radiation
Monochromator Protocol
mirrors MAD
mirrors SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM30A 0.9881 ESRF BM30A
SYNCHROTRON ESRF BEAMLINE BM14 0.9791, 0.9793, 0.9717 ESRF BM14

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
2.19 24 91.1 0.045 0.045 -- 7.6 5386 5360 1.0 -- 31.9
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)
2.19 2.29 94.3 -- -- -- -- --

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 2.19 23.97 -- 0.0 5360 5360 568 91.1 0.248 0.229 0.229 0.291 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 2.19 2.33 -- 99 790 0.231 0.313 0.031 93.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 37.8
Anisotropic B[1][1] 2.09
Anisotropic B[1][2] 2.65
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 2.09
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -4.18
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.6
c_dihedral_angle_d 24.3
c_bond_d 0.012
c_improper_angle_d 1.04
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.27
Luzzati Sigma A (Observed) 0.16
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.41
Luzzati Sigma A (R-Free Set) 0.28
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 668
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 73

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
SOLVE phasing
RESOLVE model building
CNS refinement version: 1.0
RESOLVE phasing