X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 6.5
Temperature 277.0
Details MPD, Rhodium hexammine, lithium cacodylate, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 53.8 α = 90
b = 19.4 β = 109.9
c = 50.31 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 277
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH siliciu(111) curvated crystal plus multi-layer curvated mirror 1995-03-05
Diffraction Radiation
Monochromator Protocol
Si(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON LURE BEAMLINE DW32 -- LURE DW32

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 9.5 98.0 0.045 0.043 -- 9.0 6400 6312 3.0 4.0 17.0
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 89.0 0.141 0.138 3.8 3.0 997

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 1.75 4.0 2.0 6346 6312 529 98.0 0.167 0.161 0.162 0.196 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 1.75 -- 125 -- 0.147 0.191 0.02 90.0
X Ray Diffraction 1.75 1.95 -- 101 -- 0.153 0.19 0.02 90.0
X Ray Diffraction 1.95 2.35 -- 135 -- 0.162 0.193 0.02 97.0
X Ray Diffraction 2.35 3.05 -- 95 -- 0.169 0.197 0.02 100.0
X Ray Diffraction 3.05 9.5 -- 73 -- 0.181 0.22 0.02 100.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model isotropic
Mean Isotropic B 16.3
RMS Deviations
Key Refinement Restraint Deviation
s_from_restr_planes 0.05
s_non_zero_chiral_vol 0.093
s_angle_d 0.035
s_bond_d 0.011
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 0
Nucleic Acid Atoms 372
Heterogen Atoms 16
Solvent Atoms 61

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (AGROVATA, ROTAVATA) Data Reduction (data scaling)
AMORE Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
AMoRE model building
ROTAVATA-AGROVATA data reduction
MOSFLM data collection