X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.4
Details HANGING DROP, 50-100MM TRIS-HCL PH 7.4, 80MM NACL, 17-20% PEG 8000, 10MM FUMARATE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 45.57 α = 90
b = 92.17 β = 91.08
c = 78.49 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD RH COATED SI MIRROR 1999-10-09
Diffraction Radiation
Monochromator Protocol
SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.6 -- SRS PX9.6

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 18 90.7 0.049 -- -- 2.699 -- 54314 -- -- --
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 1.83 74.9 0.117 -- 7.14 1.97 --

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 18.0 -- 0.0 51592 -- 5513 86.0 0.1814 0.1814 -- 0.247 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_rigid_bond_adp_cmpnt 0.0
s_from_restr_planes 0.0257
s_non_zero_chiral_vol 0.043
s_similar_adp_cmpnt 0.069
s_angle_d 0.022
s_similar_dist 0.0
s_approx_iso_adps 0.0
s_bond_d 0.007
s_zero_chiral_vol 0.034
s_anti_bump_dis_restr 0.007
Coordinate Error
Parameter Value
Number Disordered Residues 0.0
Occupancy Sum Hydrogen 0.0
Occupancy Sum Non Hydrogen 5062.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4212
Nucleic Acid Atoms 0
Heterogen Atoms 240
Solvent Atoms 605

Software

Software
Software Name Purpose
SHELXL-97 refinement
DENZO data reduction
SCALEPACK data scaling
SHELXL-97 phasing