X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 4.6
Temperature 298.0
Details 27.5% peg 3350, 100mM sodium acetate, pH 4.6, 250 mM ammonium acetate, 8% glycerol. Seeding., VAPOR DIFFUSION, HANGING DROP, temperature 298K
Method Vapor Diffusion Hanging Drop
pH 4.6
Temperature 298.0
Details peg 3350, ammonium acetate, sodium acetate, glycerol, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 32.98 α = 90
b = 43.27 β = 101.34
c = 55.55 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 QUANTUM 4 mirrors 2000-05-24
Diffraction Radiation
Monochromator Protocol
Graphite SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 5.0.2 1.00 ALS 5.0.2

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
1.65 20 97.3 0.036 -- -- 3.11 18550 18049 0.0 0.0 16.4
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)
1.65 1.68 81.9 0.064 -- 25.5 2.02 753

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 1.65 20.0 0.0 0.0 18533 17977 1775 97.0 0.1529 0.1529 0.1527 0.2323 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_from_restr_planes 0.025
s_zero_chiral_vol 0.03
s_non_zero_chiral_vol 0.05
s_bond_d 0.0
s_angle_d 0.02
s_similar_adp_cmpnt 0.05
s_rigid_bond_adp_cmpnt 0.0
s_approx_iso_adps 0.0
s_similar_dist 0.0
s_anti_bump_dis_restr 0.0
Coordinate Error
Parameter Value
Occupancy Sum Hydrogen 0.0
Occupancy Sum Non Hydrogen 1552.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1437
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 128

Software

Software
Software Name Purpose
SOLVE phasing
CNS0.5 model building
SHELXL-97 refinement
DENZO data reduction
SCALEPACK data scaling
CNS phasing version: 0.5