X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.6
Details CRYSTAL WERE GROWN AT ROOM TEMPERATURE FROM HANGING DROPS CONTAINING 62% SATURATED AMMONIUM SULFATE, 1.5% ISOPROPANOL AND 100 MM CACODYLATE, PH 5.6., vapor diffusion - hanging drop

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 110.7 α = 90
b = 99.9 β = 90
c = 87.7 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 277
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH SEGMENTED TOROIDAL MIRROR 1994-05-10
Diffraction Radiation
Monochromator Protocol
SI(111) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X11 -- EMBL/DESY, Hamburg X11

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
1.85 10 99.9 0.062 -- -- 5.5 -- 82854 -- -3.0 17.11
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)
1.85 1.88 99.9 0.276 -- 3.2 3.2 --

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
MULTIPLE ISOMORPHOUS REPLACEMENT 1.85 10.0 -- -4.0 82854 82584 8303 99.9 -- 0.146 0.139 0.196 X-PLOR
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 17.96
RMS Deviations
Key Refinement Restraint Deviation
p_transverse_tor 26.6
p_multtor_nbd 0.262
p_singtor_nbd 0.175
p_bond_d 0.02
p_angle_d 0.026
p_scangle_it 7.2
p_plane_restr 0.023
p_mcangle_it 2.7
p_staggered_tor 17.4
p_mcbond_it 1.9
p_chiral_restr 0.121
p_planar_d 0.031
p_scbond_it 4.8
p_planar_tor 4.6
p_xyhbond_nbd 0.179
Coordinate Error
Parameter Value
Luzzati Sigma A (Observed) 0.11
Luzzati Resolution Cutoff (Low) 4.5
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6807
Nucleic Acid Atoms 0
Heterogen Atoms 20
Solvent Atoms 771

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
PHASES phasing
PROLSQ refinement