X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 293.0
Details 0.1M sodium cacodylate pH=6.5, 1.9M sodium acetate , VAPOR DIFFUSION, HANGING DROP, temperature 293.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 169.48 α = 90
b = 80.58 β = 91.89
c = 79.05 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 95
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2001-11-11
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X26C 1.1000 NSLS X26C

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
1.45 38 91.6 -- 0.058 -- 7.0 -- 171850 -- 18.1 22.252
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)
1.45 1.48 52.3 -- 0.342 1.5 5.5 4882

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 1.45 15.0 -- 0.0 171850 171850 6719 91.6 -- -- 0.1589 0.194 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 22.3
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.093
s_similar_adp_cmpnt 0.034
s_rigid_bond_adp_cmpnt 0.003
s_anti_bump_dis_restr 0.019
s_non_zero_chiral_vol 0.068
s_zero_chiral_vol 0.055
s_from_restr_planes 0.0287
s_similar_dist 0.0
s_angle_d 0.029
s_bond_d 0.012
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.09
Number Disordered Residues 26.0
Occupancy Sum Hydrogen 0.0
Occupancy Sum Non Hydrogen 5987.55
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5380
Nucleic Acid Atoms 0
Heterogen Atoms 86
Solvent Atoms 531

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
SHELX-97 refinement
CNS version: 1.0 refinement
CNS model building
SCALEPACK data reduction
DENZO data collection