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 30% PEG 8k, 100mM Cacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 61.82 α = 90
b = 69.47 β = 90
c = 40.86 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 80
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR MARRESEARCH -- 1996-07-15
Diffraction Radiation
Monochromator Protocol
Ni FILTER SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X12C 1.00805 NSLS X12C

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
1.6 30.91 96.2 0.045 -- -- 5.5 23944 23034 0.0 0.0 15.4
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)
1.6 1.7 90.7 -- -- -- 5.5 3181

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 1.6 30.91 0.0 0.0 23944 23034 2274 96.2 0.204 0.204 0.204 0.235 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 1.6 1.7 3181 371 3181 0.247 0.283 0.015 90.7
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 20.4
Anisotropic B[1][1] 0.21
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -2.35
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.14
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.2
c_scbond_it 0.95
c_dihedral_angle_d 23.4
c_mcangle_it 1.16
c_scangle_it 1.53
c_bond_d 0.005
c_improper_angle_d 0.74
c_mcbond_it 0.67
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.19
Luzzati Sigma A (Observed) 0.13
Luzzati Resolution Cutoff (Low) 35.0
Luzzati ESD (R-Free Set) 0.21
Luzzati Sigma A (R-Free Set) 0.15
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1422
Nucleic Acid Atoms 0
Heterogen Atoms 107
Solvent Atoms 207

Software

Software
Software Name Purpose
MAR345 data collection
SCALEPACK data scaling
AMoRE phasing
CNS refinement version: 1.0