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_scangle_it 6.282
r_scbond_it 3.792
r_mcangle_it 2.427
r_mcbond_it 1.307
r_nbd_refined 0.248
r_gen_planes_other 0.003
r_gen_planes_refined 0.01
r_chiral_restr 0.125
r_dihedral_angle_3_deg 1.415
r_angle_other_deg 2.35
r_bond_other_d 0.001
r_bond_refined_d 0.025
r_nbd_other 0.218
r_nbtor_other 0.098
r_xyhbond_nbd_refined 0.259
r_xyhbond_nbd_other 0.217
r_symmetry_vdw_refined 0.377
r_symmetry_vdw_other 0.239
r_symmetry_hbond_refined 0.23
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

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
EPMR Structure Solution
REFMAC 5.0 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.0 refinement
EPMR model building