X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.5
Temperature 292.0
Details PEG4000, Tris-HCl, acetate, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 292K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 51.56 α = 90
b = 51.56 β = 90
c = 119.64 γ = 120
Symmetry
Space Group P 31

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 MIRROR 1998-03-24
Diffraction Radiation
Monochromator Protocol
SILICON 111 MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X9B -- NSLS X9B

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
2.3 20 99.7 0.08 -- -- 2.37 15759 15759 0.0 0.0 38.9
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)
2.3 2.34 97.9 0.543 -- 1.5845 2.13 776

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
HGMAD 2.3 20.0 2.0 4.0 14941 11353 797 94.7 -- 0.214 0.1754 0.259 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_angle_d 0.017
s_zero_chiral_vol 0.019
s_approx_iso_adps 0.0
s_similar_dist 0.0
s_anti_bump_dis_restr 0.015
s_from_restr_planes 0.02
s_similar_adp_cmpnt 0.087
s_bond_d 0.004
s_non_zero_chiral_vol 0.025
s_rigid_bond_adp_cmpnt 0.0
Coordinate Error
Parameter Value
Occupancy Sum Hydrogen 0.0
Occupancy Sum Non Hydrogen 3306.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2892
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 424

Software

Software
Software Name Purpose
SOLVE phasing
PHASES phasing
DM model building
SHELXL-97 refinement
DENZO data reduction
SCALEPACK data scaling
DM phasing