X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.4
Details pH 8.4

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 72.91 α = 90
b = 72.91 β = 90
c = 188.56 γ = 90
Symmetry
Space Group P 41

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1995-10-28
Diffraction Radiation
Monochromator Protocol
SI(111) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X12C -- NSLS X12C

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
1.58 15 88.4 -- 0.088 -- -- -- 147562 -- 0.0 16.4
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)
1.58 1.61 54.8 -- 0.278 -- -- --

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 1.58 15.0 -- 0.0 -- 112527 5691 88.3 -- 0.394 0.394 0.461 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 1.58 1.68 -- 563 10619 0.496 0.517 0.022 50.3
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 16.6
RMS Deviations
Key Refinement Restraint Deviation
x_scbond_it 3.31
x_improper_angle_d 1.46
x_dihedral_angle_d 25.7
x_bond_d 0.013
x_scangle_it 3.88
x_mcbond_it 2.21
x_mcangle_it 2.93
x_angle_deg 1.6
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.41
Luzzati Sigma A (Observed) 0.37
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.52
Luzzati Sigma A (R-Free Set) 0.42
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5032
Nucleic Acid Atoms 0
Heterogen Atoms 120
Solvent Atoms 0

Software

Software
Software Name Purpose
AMoRE phasing
X-PLOR refinement version: 3.843
DENZO data reduction
SCALEPACK data scaling