X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.5
Temperature 281.0
Details 20-25% PEG 1.5K, 0.1M MES pH 5.5 0.3M NaAcetate, VAPOR DIFFUSION, HANGING DROP, temperature 281K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 92.55 α = 90
b = 79.23 β = 90
c = 42.65 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR MARRESEARCH -- 1997-11
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X8C -- NSLS X8C

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
1.5 12.9 93.1 0.065 -- -- 4.2 222118 47965 0.0 3.0 13.2
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)
1.49 1.57 78.6 0.154 -- -- 3.2 5826

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
-- 1.5 12.9 -- 3.0 -- 46900 2350 91.9 -- 0.176 0.176 0.188 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 1.5 1.59 -- 383 6694 0.188 0.207 0.011 84.4
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 12.1
Anisotropic B[1][1] -0.31
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.17
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.48
RMS Deviations
Key Refinement Restraint Deviation
c_scbond_it 0.07
c_angle_deg 1.5
c_mcangle_it 0.25
c_dihedral_angle_d 22.0
c_scangle_it 0.13
c_improper_angle_d 0.91
c_bond_d 0.007
c_mcbond_it 0.14
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.14
Luzzati Sigma A (Observed) 0.08
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.16
Luzzati Sigma A (R-Free Set) 0.09
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2358
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 394

Software

Software
Software Name Purpose
CNS refinement
DENZO data reduction
CCP4 data scaling version: (AGROVATA
ROTAVATA) data scaling
CNS phasing