X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Details SITTING DROPS; EQUAL QUANTITIES OF PROTEIN SOLUTION AND WELL SOLUTION. PROTEIN SOLUTION 14 MG/ML IN 50MM TRIS PH8, 5MMDTT, 10:1 MOLAR RATIO OF CITRULLINE. WEEL SOLUTION ).1M TRIS PH 8.5, 0.2M NA ACETATE, 25%W/V PEG4000.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 69.81 α = 90
b = 61.8 β = 95.15
c = 54.62 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD MIRROR 2000-05-15
Diffraction Radiation
Monochromator Protocol
SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX14.1 -- SRS PX14.1

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
1.8 54.2 99.0 0.045 -- -- 3.5 -- 20847 -- -- --
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)
1.8 1.9 99.0 0.082 -- 8.0 3.5 --

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 1.8 30.0 -- -- -- 20307 1056 99.2 -- 0.191 0.19 0.218 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 1.8 1.85 -- 93 1474 0.227 0.287 -- --
RMS Deviations
Key Refinement Restraint Deviation
r_mcangle_it 1.417
r_nbd_refined 0.223
r_symmetry_hbond_refined 0.204
r_scbond_it 2.142
r_xyhbond_nbd_refined 0.138
r_gen_planes_refined 0.007
r_bond_refined_d 0.011
r_angle_other_deg 1.925
r_chiral_restr 0.139
r_symmetry_vdw_refined 0.233
r_scangle_it 3.361
r_mcbond_it 0.826
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2011
Nucleic Acid Atoms 0
Heterogen Atoms 12
Solvent Atoms 144

Software

Software
Software Name Purpose
REFMAC refinement version: 5.0
MOSFLM data reduction
SCALA data scaling
AMoRE phasing