X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details SITTING DROP METHOD WITH 1 MICROLITRE PROTEIN (10 MG/ML) AND 1 MICROLITRE WELL SOLUTION (1.1-1.5 M AMMONIUM SULPHATE, 0.2M LITHIUM SULPHATE 0.1M TRIS HCL PH 7.5 WITH 5MM S-HEXYLGLUTATHIONE)

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 87.98 α = 90
b = 152.39 β = 90
c = 146.77 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH ELLIPSOIDAL MIRROR 1999-04-15
Diffraction Radiation
Monochromator Protocol
DOUBLE CRYSTAL SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID13 -- ESRF ID13

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
2.25 53 95.4 0.119 -- -- 3.0 -- 44559 -- -- --
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)
2.25 2.3 80.0 0.35 -- 3.0 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
MOLECULAR REPLACEMENT 2.25 30.0 -- -- -- 2150 2178 90.0 -- 0.159 0.157 0.211 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 2.25 2.31 -- 125 2150 0.171 0.282 -- --
RMS Deviations
Key Refinement Restraint Deviation
r_mcangle_it 2.427
r_nbd_refined 0.248
r_scbond_it 3.792
r_dihedral_angle_3_deg 1.415
r_gen_planes_refined 0.01
r_scangle_it 6.282
r_symmetry_vdw_other 0.239
r_mcbond_it 1.307
r_chiral_restr 0.125
r_symmetry_hbond_refined 0.23
r_nbd_other 0.218
r_angle_other_deg 2.35
r_symmetry_vdw_refined 0.377
r_nbtor_other 0.098
r_xyhbond_nbd_refined 0.259
r_bond_other_d 0.001
r_bond_refined_d 0.025
r_gen_planes_other 0.003
r_xyhbond_nbd_other 0.217
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5071
Nucleic Acid Atoms 0
Heterogen Atoms 93
Solvent Atoms 711

Software

Software
Software Name Purpose
REFMAC refinement version: 5.0
DENZO data reduction
SCALEPACK data scaling
EPMR phasing