X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5
Temperature 285.0
Details (NH4)2SO4, NaOAc, DTT, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 285K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 99.38 α = 90
b = 99.38 β = 90
c = 175.06 γ = 120
Symmetry
Space Group H 3 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2000-11-11
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X9B 1.000 NSLS X9B

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 32 94.1 0.075 -- -- 5.0 29387 29387 -- 0.0 11.3
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 1.86 95.7 0.474 -- -- 5.0 --

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 32.43 -- 0.0 28200 28200 1370 90.6 -- -- 0.192 0.258 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 -- 235 4193 0.288 0.295 0.019 85.9
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 25.0
Anisotropic B[1][1] 3.12
Anisotropic B[1][2] 3.08
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 3.12
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -6.24
RMS Deviations
Key Refinement Restraint Deviation
c_scbond_it 3.45
c_dihedral_angle_d 24.0
c_improper_angle_d 0.83
c_mcbond_it 2.15
c_angle_deg 1.6
c_bond_d 0.01
c_scangle_it 5.05
c_mcangle_it 3.26
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.21
Luzzati Sigma A (Observed) 0.25
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.28
Luzzati Sigma A (R-Free Set) 0.22
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2874
Nucleic Acid Atoms 0
Heterogen Atoms 20
Solvent Atoms 337

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
AMoRE phasing
CNS refinement version: 1.0