X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.2
Temperature 291.0
Details PEG 4000, ammonium sulphate, sodium chloride, Tris.HCL, pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Method Also Used Cross Seeding Using Non Semet Substituted Protein
Temperature 291.0
Details PEG 4000, ammonium sulphate, sodium chloride, Tris.HCL, Also used cross seeding using non-Semet substituted protein, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 123.66 α = 90
b = 135.19 β = 90
c = 61.58 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 1998-07-12
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-3 -- ESRF ID14-3

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
2.1 29.88 99.9 0.06 -- -- 3.8 229942 61020 -- 0.0 38.3
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)
2.1 2.21 99.6 0.488 -- -- 3.8 8761

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
-- 2.1 28.81 0.0 0.0 60471 60471 6061 99.1 0.202 0.202 0.198 0.235 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 2.1 2.23 -- 960 8545 0.284 0.324 0.01 94.9
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 54.1
Anisotropic B[1][1] 7.64
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -2.28
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -5.36
RMS Deviations
Key Refinement Restraint Deviation
c_scbond_it 7.58
c_angle_deg 1.5
c_improper_angle_d 1.08
c_bond_d 0.01
c_scangle_it 9.58
c_dihedral_angle_d 23.7
c_mcbond_it 4.72
c_mcangle_it 5.6
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.25
Luzzati Sigma A (Observed) 0.21
Luzzati Resolution Cutoff (Low) 29.0
Luzzati ESD (R-Free Set) 0.3
Luzzati Sigma A (R-Free Set) 0.25
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4217
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 485

Software

Software
Software Name Purpose
SOLVE phasing
CNS refinement version: 0.9
MOSFLM data reduction
CCP4 data scaling version: (TRUNCATE)