X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 6.5
Temperature 285.0
Details MPD, sodium cacodylate, magnesium acetate, cobalt(II) chloride, spermine, pH 6.5, VAPOR DIFFUSION, temperature 285K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 28.88 α = 90
b = 53.17 β = 90
c = 40.42 γ = 90
Symmetry
Space Group C 2 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 1 -- 1999-04-29
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 14-BM-D -- APS 14-BM-D

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
1.6 40 98.1 0.029 -- -- 5.0 4345 4345 0.0 0.0 20.3
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)
1.6 1.66 95.0 0.075 -- 9.1 1.9 739

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
MAD 1.6 40.0 0.0 0.0 7785 7785 608 100.0 0.23 0.23 0.23 0.24 Random
RMS Deviations
Key Refinement Restraint Deviation
s_zero_chiral_vol 0.0
s_from_restr_planes 0.0145
s_rigid_bond_adp_cmpnt 0.0
s_similar_adp_cmpnt 0.075
s_angle_d 0.025
s_non_zero_chiral_vol 0.01
s_similar_dist 0.038
s_anti_bump_dis_restr 0.01
s_approx_iso_adps 0.0
s_bond_d 0.01
Coordinate Error
Parameter Value
Occupancy Sum Hydrogen 0.0
Occupancy Sum Non Hydrogen 251.75
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 0
Nucleic Acid Atoms 224
Heterogen Atoms 17
Solvent Atoms 19

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
CNS model building