X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5
Temperature 15.0
Details 1.7 M (NH4)2SO4, 2 mM CaCl2, 0.1 M NaAc , pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 15K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 96.76 α = 90
b = 96.76 β = 90
c = 173.39 γ = 120
Symmetry
Space Group P 32 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 1998-11-09
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON MPG/DESY, HAMBURG BEAMLINE BW6 -- MPG/DESY, HAMBURG BW6

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
2.8 50 98.3 0.077 -- -- 4.5 176558 23400 2.0 3.0 74.107
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)
2.8 2.96 91.8 0.484 -- 1.5 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 2.8 50.0 1.0 2.0 -- 22758 2244 95.7 -- 0.216 0.216 0.316 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 2.8 2.82 -- 32 353 0.38 0.385 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 52.4
Anisotropic B[1][1] -9.494
Anisotropic B[1][2] -7.373
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -9.494
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 18.988
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 1.5
c_improper_angle_d 1.1
c_scangle_it 2.5
c_dihedral_angle_d 19.3
c_angle_deg 1.97
c_bond_d 0.015
c_mcangle_it 2.0
c_scbond_it 2.0
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.405
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5079
Nucleic Acid Atoms 0
Heterogen Atoms 165
Solvent Atoms 328

Software

Software
Software Name Purpose
AMoRE phasing
CNS refinement
MOSFLM data reduction
CCP4 data scaling version: (SCALA)