X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7
Temperature 293.0
Details PEG 6000, 0.1 M citric acid pH 5.0, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 38.22 α = 90
b = 76.7 β = 90
c = 112.12 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2001-08-20
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 5.0.3 1.0 ALS 5.0.3

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
1.4 47 99.1 -- 0.055 -- 18.7 -- 61791 -- 2.0 21.5
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)
1.45 1.54 95.6 -- 0.154 -- -- 9336

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 1.45 45.26 -- 0.0 -- 58823 2968 99.1 -- -- 0.17 0.2 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 1.45 1.54 -- 480 8856 0.206 0.25 0.011 95.6
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model restrained
Mean Isotropic B 20.8
Anisotropic B[1][1] -2.95
Anisotropic B[2][2] 1.41
Anisotropic B[3][3] 1.55
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 1.85
c_angle_deg 1.8
c_bond_d 0.015
c_dihedral_angle_d 24.9
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.14
Luzzati Sigma A (Observed) 0.07
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.17
Luzzati Sigma A (R-Free Set) 0.11
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2957
Nucleic Acid Atoms 0
Heterogen Atoms 8
Solvent Atoms 530

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
AMoRE phasing
CNS refinement version: 1.0