X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.4
Details pH 4.4

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 75.58 α = 90
b = 75.58 β = 90
c = 32.71 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 297
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS II COLLIMATOR 1996-07
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH2R -- -- --

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 99.8 0.059 -- -- 9.4 -- 12009 -- -3.0 23.2
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)
1.7 1.76 98.0 0.63 -- 2.2 4.0 --

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 30.0 -- -- -- 12972 -- -- -- -- 0.191 0.224 --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 23.5
RMS Deviations
Key Refinement Restraint Deviation
p_angle_d 0.044
p_mcbond_it 1.869
p_planar_d 0.048
p_scbond_it 2.364
p_mcangle_it 2.657
p_scangle_it 3.629
p_bond_d 0.026
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.23
Luzzati Sigma A (Observed) 0.24
Luzzati Resolution Cutoff (Low) 5.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 737
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 77

Software

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