X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 294.0
Details 0.17M ammonium acetate, 0.085M Tris-HCl ph 8.5 25.5% polyethylene glycol 4000, 15% glycerol, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 87.98 α = 90
b = 60.12 β = 102.5
c = 105.6 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 93
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MAR scanner 345 mm plate flat mirrors 2000-02-19
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-1 0.78 SSRL BL9-1

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
1.65 20 -- -- -- -- -- 129754 129754 -- 0.0 --

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
MIRAS 1.65 19.92 -- 0.0 129754 123985 6219 95.6 0.1892 0.188 0.188 0.213 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 1.65 1.75 -- 920 -- 0.225 0.244 0.08 90.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Restrained
Mean Isotropic B 19.0
Anisotropic B[1][1] -2.03
Anisotropic B[1][2] 0.89
Anisotropic B[1][3] 1.14
Anisotropic B[2][2] 0.0
Anisotropic B[2][3] 0.34
Anisotropic B[3][3] 0.0
RMS Deviations
Key Refinement Restraint Deviation
c_mcangle_it 1.5
c_mcbond_it 1.0
c_improper_angle_d 0.79
c_dihedral_angle_d 23.2
c_angle_deg 1.3
c_bond_d 0.005
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.18
Luzzati Sigma A (Observed) 0.11
Luzzati Resolution Cutoff (Low) 20.0
Luzzati ESD (R-Free Set) 0.2
Luzzati Sigma A (R-Free Set) 0.12
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8046
Nucleic Acid Atoms 0
Heterogen Atoms 128
Solvent Atoms 984

Software

Computing
Computing Package Purpose
BLU-ICE, DENZO Data Reduction (intensity integration)
MOSFLM, SCALEPACK, CCP4 (SCALA) Data Reduction (data scaling)
SOLVE, DM, ARP/WARP Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS version: 1.0 refinement
wARP model building
DM model building
SOlVE model building
SCALA data reduction
SCALEPACK data reduction
DENZO data reduction
MOSFLM data reduction
BlUEICE data collection