X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 277.0
Details spermine, sodium cacodylate, magnesium acetate, PEG 4000, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 31.64 α = 79.53
b = 35.64 β = 83.02
c = 46.56 γ = 81.36
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2001-08-12
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID 0.97 APS 19-ID

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
2.4 50 96.3 0.082 0.09 -- -- -- 7337 4.0 2.0 --
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)
2.4 2.49 96.3 0.251 0.277 -- -- --

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 2.4 50.0 2.0 4.0 6604 -- -- 96.3 -- -- -- -- random
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model isotropic
RMS Deviations
Key Refinement Restraint Deviation
s_angle_d 0.022
s_non_zero_chiral_vol 0.004
s_anti_bump_dis_restr 0.005
s_from_restr_planes 3.0E-4
s_bond_d 0.005
s_rigid_bond_adp_cmpnt 0.0
s_similar_adp_cmpnt 0.075
s_similar_dist 0.0
s_zero_chiral_vol 0.0
s_approx_iso_adps 0.0
Coordinate Error
Parameter Value
Occupancy Sum Hydrogen 0.0
Occupancy Sum Non Hydrogen 1037.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 0
Nucleic Acid Atoms 972
Heterogen Atoms 18
Solvent Atoms 47

Software

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