X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 5.75
Temperature 20.0
Details 3M CSCL, 35% AMMONIUM SULFATE. 0.1 M SODIUM ACETATE, pH 5.75, VAPOR DIFFUSION, SITTING DROP, temperature 20K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 44.84 α = 90
b = 44.84 β = 90
c = 98 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1999-08-26
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
2.19 10 100.0 0.117 -- -- 11.0 5293 4958 1.0 1.0 26.9
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 2.4 100.0 0.42 -- -- 11.0 --

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
-- 2.25 10.0 -- 1.0 -- 4492 474 78.7 -- 0.189 0.189 0.218 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 2.25 2.37 -- 48 453 0.3 0.328 0.04 63.6
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 19.3
Anisotropic B[1][1] 0.0
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.0
RMS Deviations
Key Refinement Restraint Deviation
x_mcangle_it 3.57
x_bond_d 0.005
x_scbond_it 3.93
x_mcbond_it 2.26
x_improper_angle_d 0.54
x_scangle_it 5.87
x_dihedral_angle_d 25.5
x_angle_deg 1.3
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.28
Luzzati Sigma A (Observed) 0.28
Luzzati Resolution Cutoff (Low) 3.8
Luzzati ESD (R-Free Set) 0.32
Luzzati Sigma A (R-Free Set) 0.17
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 902
Nucleic Acid Atoms 0
Heterogen Atoms 5
Solvent Atoms 46

Software

Computing
Computing Package Purpose
MARXDS Data Reduction (intensity integration)
MARSCALE Data Reduction (data scaling)
X-PLOR Structure Solution
X-PLOR 3.851 Structure Refinement
Software
Software Name Purpose
MARSCALE data reduction
X-PLOR version: 3.851 refinement
MARXDS data collection
X-PLOR model building