X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.7
Temperature 294.0
Details CO-saturated, 2.8M ammonium sulphate, 100mM Tris-Cl, 1 mM dithionite, crsystal grown in seeded batch, pH 8.7, temperature 294K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 91.2 α = 90
b = 91.2 β = 90
c = 45.71 γ = 120
Symmetry
Space Group P 6

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 283
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MAR CCD 130 mm -- 2001-12-18
Diffraction Radiation
Monochromator Protocol
No monochromator LAUE
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID09 -- ESRF ID09

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
1.55 25 80.1 -- 0.059 -- 3.1 25942 25942 0.0 -3.0 19.9
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)
1.55 1.62 37.7 -- 0.173 3.3 1.2 1765

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
Rigid body from starting model. 1.6 13.0 -- 0.0 23111 23111 1135 80.2 0.1512 0.15 0.15 0.173 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 1.6 1.7 2408 153 2408 0.217 0.227 0.018 53.6
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 19.5
Anisotropic B[1][1] 0.48
Anisotropic B[1][2] 0.77
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.48
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.96
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 3.99
c_dihedral_angle_d 16.9
c_scbond_it 2.96
c_mcbond_it 1.63
c_bond_d 0.01
c_improper_angle_d 1.04
c_mcangle_it 2.2
c_angle_deg 1.3
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.14
Luzzati Sigma A (Observed) 0.09
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.16
Luzzati Sigma A (R-Free Set) 0.09
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1215
Nucleic Acid Atoms 0
Heterogen Atoms 53
Solvent Atoms 143

Software

Software
Software Name Purpose
SPEC data collection
PROW data reduction version: + CCP4
CNS refinement version: 1.0
SPEC data reduction
PROW data scaling
CCP4 data scaling
CNS phasing version: 1.0