X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6
Details SEE REFERENCE 2, pH 6.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 48.4 α = 90
b = 48.4 β = 90
c = 111.5 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS -- 1991-04-15
Diffraction Radiation
Monochromator Protocol
NI FILTER SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE SIEMENS -- -- --

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
2.3 44.5 93.3 -- 0.669 -- 8.3 -- 5959 -- 2.0 --
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)
2.3 2.44 58.0 -- 0.204 4.24 3.4 --

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
MIRAS 2.3 8.0 -- 2.0 -- 5724 -- 93.0 -- 0.176 0.176 -- --
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 2.3 2.38 -- -- 120 0.283 -- -- 21.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 17.9
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.015
x_angle_deg 3.2
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.25
Luzzati Resolution Cutoff (Low) 8.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 959
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 62

Software

Software
Software Name Purpose
LOCHVAT(SEE model building version: REMARK)
REFINE(CCP4) model building
PHARE(CCP4) model building
X-PLOR refinement version: 2.1
XENGEN data reduction
XENGEN data scaling
LOCHVAT phasing version: (SEE REMARK)
CCP4 phasing version: (REFINE
PHARE) phasing