X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.25
Details pH 5.25

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 56.1 α = 90
b = 70.72 β = 90
c = 53.46 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 112
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV DOUBLE FOCUSSING MIRROR (PT COATED AND NI COATED MIRRORS) 1998-05-08
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU ULTRAX 18 -- -- --

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
1.45 99 93.9 0.067 0.067 -- 8.1 -- 36158 -- 1.0 --
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)
1.45 1.47 94.4 0.265 0.265 8.3 5.3 --

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 MOLECULAR REPLACEMENT 1.45 8.0 -- 2.0 -- 34689 3538 90.8 -- 0.183 0.183 0.23 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 1.45 1.46 -- 87 716 0.364 0.374 -- 87.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model GAUSS
RMS Deviations
Key Refinement Restraint Deviation
x_dihedral_angle_d 28.29
x_bond_d 0.008
x_angle_deg 1.054
x_improper_angle_d 1.491
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.17
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1837
Nucleic Acid Atoms 0
Heterogen Atoms 20
Solvent Atoms 452

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
X-PLOR model building version: 3.0
X-PLOR refinement version: 3.0
X-PLOR phasing version: 3.0