X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Microbatch
pH 8
Temperature 293.0
Details PEG 6000, Tris-HCl, calcium chloride, pH 8, MICROBATCH, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 127.96 α = 90
b = 39.07 β = 99.56
c = 63.95 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 MARRESEARCH -- 2001-05-30
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SPRING-8 BEAMLINE BL41XU 0.72 SPring-8 BL41XU

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
1.8 20 93.9 0.046 -- -- 9.5 27532 27532 -- 0.0 18.6
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)
1.8 1.88 72.4 0.252 -- -- -- 2639

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 1.8 19.54 -- 0.0 27413 27413 2739 93.5 -- 0.227 0.227 0.27 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 1.8 1.91 2639 382 3234 0.314 0.336 0.017 74.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 32.6
Anisotropic B[1][1] -8.41
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 2.32
Anisotropic B[2][2] 7.69
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.72
RMS Deviations
Key Refinement Restraint Deviation
c_mcangle_it 2.32
c_bond_d 0.006
c_scbond_it 1.94
c_dihedral_angle_d 23.0
c_scangle_it 2.86
c_mcbond_it 1.47
c_improper_angle_d 0.69
c_angle_deg 1.2
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.25
Luzzati Sigma A (Observed) 0.26
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.31
Luzzati Sigma A (R-Free Set) 0.27
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2480
Nucleic Acid Atoms 0
Heterogen Atoms 10
Solvent Atoms 266

Software

Software
Software Name Purpose
CNS refinement version: 1.1
HKL-2000 data reduction
SCALEPACK data scaling
AMoRE phasing