X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 8
Temperature 277.0
Details 100mM TRIS, 12%PEG 3350,1mM Carnitine, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 160.68 α = 90
b = 91.67 β = 128.84
c = 122.61 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2002-10-04
Diffraction Radiation
Monochromator Protocol
NULL SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X4A 0.9790 NSLS X4A

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
1.9 20 96.7 -- -- -- -- 105409 105409 0.0 0.0 12.5
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)
1.9 2.02 92.7 -- -- -- -- --

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 1.9 19.95 -- 0.0 105409 105409 7946 96.7 -- 0.2001 0.2 0.241 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 1.9 2.02 -- 1267 15497 0.236 0.279 0.008 92.7
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 24.4
Anisotropic B[1][1] 2.4
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -1.44
Anisotropic B[2][2] 0.75
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -3.15
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 3.06
c_scbond_it 2.08
c_mcangle_it 1.98
c_mcbond_it 1.31
c_improper_angle_d 0.81
c_bond_d 0.006
c_angle_deg 1.2
c_dihedral_angle_d 21.4
Coordinate Error
Parameter Value
Luzzati ESD (R-Free Set) 0.26
Luzzati Sigma A (R-Free Set) 0.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 9514
Nucleic Acid Atoms 0
Heterogen Atoms 22
Solvent Atoms 1070

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
COMO Structure Solution
CNS 1.1 Structure Refinement
Software
Software Name Purpose
CNS version: 1.1 refinement
COMO model building
SCALEPACK data reduction
DENZO data collection