X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.4
Details 10MG/ML PROTEIN, 16% PEG 4000, 0.1M SODIUM ACETATE BUFFER, PH 4.4, 0.2M AMMONIUM SULPHATE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 138.98 α = 90
b = 53.72 β = 105.72
c = 53.37 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRRORS 1998-12-04
Diffraction Radiation
Monochromator Protocol
GE(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X11 -- EMBL/DESY, HAMBURG X11

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
3 20 95.4 0.096 -- -- 7.8 -- 7390 -- -- 43.2
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)
3.0 3.11 92.8 0.434 -- 2.6 -- --

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 3.0 19.93 -- 0.0 -- 7367 472 95.4 -- 0.267 0.267 0.309 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 3.0 3.11 -- 43 663 0.389 0.596 0.091 93.1
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 46.3
Anisotropic B[1][1] -21.65
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -15.14
Anisotropic B[2][2] 2.95
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 18.7
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 3.07
c_scbond_it 2.07
c_mcangle_it 3.08
c_mcbond_it 1.68
c_improper_angle_d 1.61
c_bond_d 0.009
c_angle_deg 1.7
c_dihedral_angle_d 24.5
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.48
Luzzati Sigma A (Observed) 0.47
Luzzati Resolution Cutoff (Low) 20.0
Luzzati ESD (R-Free Set) 0.61
Luzzati Sigma A (R-Free Set) 0.7
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1959
Nucleic Acid Atoms 0
Heterogen Atoms 10
Solvent Atoms 0

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
CNS 1.1 Structure Refinement
Software
Software Name Purpose
CNS version: 1.1 refinement
AMORE model building