X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.7
Details 2.3M AMMONIUM SULFATE, 55MM TRIS-HCL, 1MM SODIUM 4-(HYDROXYMERCURY)BENZOATE, PH 7, pH 7.7

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 42.82 α = 90
b = 42.02 β = 104.26
c = 73.03 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 295
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD SIEMENS MIRRORS 1998-05-15
Diffraction Radiation
Monochromator Protocol
GOBEL MIRRORS SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE -- -- -- --

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
1.85 30 91.2 0.07 -- -- 2.6 -- 21668 -- -- --
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)
1.85 1.95 92.5 0.134 -- 4.8 2.0 --

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
OTHER 1.85 10.0 -- 0.0 21358 21358 1068 91.8 -- -- 0.171 0.213 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
p_singtor_nbd 0.18
p_angle_d 0.04
p_plane_restr 0.014
p_chiral_restr 0.185
p_transverse_tor 32.7
p_scbond_it 6.58
p_mcbond_it 2.83
p_mcangle_it 3.57
p_xyhbond_nbd 0.177
p_staggered_tor 19.2
p_bond_d 0.019
p_planar_tor 3.3
p_scangle_it 8.72
p_planar_d 0.077
p_special_tor 12.0
p_multtor_nbd 0.206
Coordinate Error
Parameter Value
Luzzati Sigma A (Observed) 0.11
Luzzati Resolution Cutoff (Low) 10.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2043
Nucleic Acid Atoms 0
Heterogen Atoms 14
Solvent Atoms 134

Software

Computing
Computing Package Purpose
SAINT Data Reduction (intensity integration)
SAINT Data Reduction (data scaling)
CCP4 Structure Solution
CCP4 Structure Refinement
Software
Software Name Purpose
SAINT data collection
SAINT data reduction
CCP4 model building
CCP4 refinement