X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7
Temperature 289.0
Details PEG 8000, HEPES, Ethylene glycol, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 289.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 108.93 α = 90
b = 108.93 β = 90
c = 64.06 γ = 90
Symmetry
Space Group I 4

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 289
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRROR 2000-08-21
Diffraction Radiation
Monochromator Protocol
GRAPHITE SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 1.5418 -- --

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
2.01 15.25 98.1 0.107 -- -- 6.0 49191 48257 0.0 2.0 25.24
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)
2.01 2.13 94.6 0.344 -- -- 5.2 --

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
MIR 2.01 15.25 0.0 0.0 48257 48257 2412 98.1 -- -- 0.183 0.198 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 2.01 2.13 8473 423 -- 0.27 0.291 0.017 90.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 27.95
Anisotropic B[1][1] 1.35
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.35
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -2.7
RMS Deviations
Key Refinement Restraint Deviation
c_mcangle_it 2.01
c_mcbond_it 1.41
c_improper_angle_d 0.7
c_dihedral_angle_d 24.3
c_angle_deg 1.4
c_bond_d 0.005
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.22
Luzzati Sigma A (Observed) 6.29
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.24
Luzzati Sigma A (R-Free Set) 0.29
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1839
Nucleic Acid Atoms 0
Heterogen Atoms 16
Solvent Atoms 179

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
CCP4 Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS version: 1.0 refinement
CCP4 model building
SCALA data reduction
MOSFLM data collection