X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Small Tubes
pH 7.4
Temperature 277.0
Details ethanol, pH 7.4, SMALL TUBES, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 51.87 α = 90
b = 67.31 β = 90
c = 34.33 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2001-02-13
Diffraction Radiation
Monochromator Protocol
Si 111 SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SPRING-8 BEAMLINE BL44B2 0.7 SPRING-8 BL44B2

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
0.91 26.34 95.7 0.044 -- -- -- 82305 82055 1.0 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)
0.91 0.96 88.1 0.221 -- -- -- --

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
FOURIER SYNTHESIS 0.91 10.0 -- 1.0 81910 67354 5786 88.7 0.1078 0.1015 0.0994 0.136 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.094
s_similar_adp_cmpnt 0.052
s_rigid_bond_adp_cmpnt 0.006
s_anti_bump_dis_restr 0.084
s_non_zero_chiral_vol 0.105
s_zero_chiral_vol 0.084
s_from_restr_planes 0.0316
s_similar_dist 0.0
s_angle_d 0.053
s_bond_d 0.028
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.035
Number Disordered Residues 2.0
Occupancy Sum Hydrogen 1019.0
Occupancy Sum Non Hydrogen 1393.98
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 802
Nucleic Acid Atoms 0
Heterogen Atoms 233
Solvent Atoms 371

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
CNS Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
CNS model building
SCALA data reduction
MOSFLM data collection