X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Details ammonium sulfate, pH 7.5, VAPOR DIFFUSION, HANGING DROP

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 110 α = 90
b = 110 β = 90
c = 250 γ = 120
Symmetry
Space Group P 62 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR MARRESEARCH -- 1998-06-10
Diffraction Radiation
Monochromator Protocol
MIRRORS SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM14 0.9785 ESRF BM14

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 20 99.7 -- 0.065 -- 4.1 60996 60550 0.0 -2.0 12.6
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)
2.0 2.1 98.4 -- 0.264 2.8 4.0 34549

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 2.0 14.98 -- 0.0 60385 60385 3048 99.2 0.196 0.194 0.194 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 2.0 2.12 -- 458 9017 0.247 0.275 0.013 95.2
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 23.7
Anisotropic B[1][1] 5.32
Anisotropic B[1][2] 2.39
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 5.32
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -10.63
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 3.43
c_angle_deg 2.2
c_mcbond_it 1.7
c_improper_angle_d 1.78
c_dihedral_angle_d 24.1
c_scbond_it 2.62
c_mcangle_it 2.32
c_bond_d 0.013
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.22
Luzzati Sigma A (Observed) 0.2
Luzzati ESD (R-Free Set) 0.25
Luzzati Sigma A (R-Free Set) 0.22
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3870
Nucleic Acid Atoms 0
Heterogen Atoms 89
Solvent Atoms 531

Software

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