X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.5
Temperature 313.0
Details sodium nitrate, sodium acetate, pH 4.5, phase transition, temperature 313K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 25.93 α = 88
b = 39.97 β = 95.44
c = 42.39 γ = 90.58
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 90
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD BRUKER SMART 6000 Confocal Max-Flux 2002-04-11
Diffraction Radiation
Monochromator Protocol
double mirror SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE MACSCIENCE 1.5418 -- --

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
1.13 39.94 80.6 0.034 -- -- 3.18 64571 52044 0.0 0.0 --
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)
1.13 1.17 46.4 0.138 -- 3.65 -- --

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 1.13 39.94 -- 0.0 52044 52044 2601 80.6 0.119 0.119 0.114 0.162 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 1.13 1.21 5049 -- -- 0.165 -- -- --
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.084
s_similar_adp_cmpnt 0.057
s_rigid_bond_adp_cmpnt 0.005
s_anti_bump_dis_restr 0.057
s_non_zero_chiral_vol 0.089
s_zero_chiral_vol 0.08
s_from_restr_planes 0.404
s_angle_d 0.028
s_bond_d 0.013
Coordinate Error
Parameter Value
Number Disordered Residues 13.0
Occupancy Sum Hydrogen 1917.0
Occupancy Sum Non Hydrogen 2206.9
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2002
Nucleic Acid Atoms 0
Heterogen Atoms 22
Solvent Atoms 223

Software

Computing
Computing Package Purpose
SMART V. 6000 Data Reduction (intensity integration)
SAINTPLUS Data Reduction (data scaling)
X-PLOR Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
X-PLOR model building
SaintPlus data reduction
smart6000 data collection