X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6
Details pH 6.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 56.65 α = 90
b = 61.67 β = 90
c = 30.42 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 RIGAKU RAXIS IIC -- 1995-10-13
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH3R -- -- --

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 30 90.4 0.044 -- -- 4.4 -- 13287 -- 1.0 16.97
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 1.66 70.8 0.141 -- -- 2.5 --

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 8.0 -- -- -- 12449 680 90.5 -- 0.173 0.184 0.211 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 18.2
RMS Deviations
Key Refinement Restraint Deviation
p_special_tor 10.6
p_singtor_nbd 0.173
p_planar_tor 4.2
p_staggered_tor 16.8
p_planar_d 0.03
p_bond_d 0.01
p_angle_d 0.026
p_mcbond_it 1.414
p_chiral_restr 0.138
p_scangle_it 3.469
p_multtor_nbd 0.244
p_xyhbond_nbd 0.14
p_mcangle_it 2.094
p_transverse_tor 22.4
p_scbond_it 2.224
p_plane_restr 0.0236
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.15
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 913
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 96

Software

Software
Software Name Purpose
MERLOT phasing
REFMAC refinement
DENZO data reduction
SCALEPACK data scaling