X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 293.0
Details AMMONIUM SULFATE, MONOSODIUM PHOSPHATE, DISODIUM PHOSPHATE, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 38.98 α = 90
b = 64.7 β = 90
c = 78.32 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1999-07-22
Diffraction Radiation
Monochromator Protocol
FOCUSING CURVED MONO. SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON LURE BEAMLINE D41A 1.3800 LURE D41A

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
1.7 30.7 97.1 0.061 -- -- 3.9 21828 84702 0.0 -- 13.9
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)
1.7 1.76 95.5 0.218 -- 7.1 -- --

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
STARTING MODEL WAS USED WITHOUT MOLECULAR REPLACEMENT 1.7 30.7 0.0 -- 21828 21828 1123 97.1 -- 0.131 0.13 0.178 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 1.7 1.76 -- -- -- -- -- -- 95.5
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 16.85
RMS Deviations
Key Refinement Restraint Deviation
p_bond_d 0.023
p_angle_d 0.036
p_planar_d 0.04
Coordinate Error
Parameter Value
Luzzati Sigma A (Observed) 0.014
Luzzati Resolution Cutoff (Low) 30.7
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1511
Nucleic Acid Atoms 0
Heterogen Atoms 5
Solvent Atoms 305

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
STARTING model building version: MODEL WAS USED WITHOUT MOLECULAR REPLACEMENT
REFMAC refinement
STARTING phasing version: MODEL WAS USED WITHOUT MOLECULAR REPLACEMENT