X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 295.0
Details Na cacodylate, PEG 8K, ammonium sulfate, glycerol, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 42.14 α = 90
b = 52.56 β = 90
c = 56.63 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2000-06-15
Diffraction Radiation
Monochromator Protocol
SI(111) DOUBLE CRYSTAL SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X9B 0.9800 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
1 20 90.9 -- -- -- -- 68750 62494 -- -1.0 --
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)
1.0 1.04 76.4 -- -- -- -- --

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 1.0 20.0 0.0 0.0 62423 62423 3071 86.5 0.1354 0.1354 0.1323 0.1691 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.106
s_similar_adp_cmpnt 0.061
s_rigid_bond_adp_cmpnt 0.005
s_anti_bump_dis_restr 0.134
s_non_zero_chiral_vol 0.119
s_zero_chiral_vol 0.082
s_from_restr_planes 0.0306
s_similar_dist 0.0
s_angle_d 0.047
s_bond_d 0.036
Coordinate Error
Parameter Value
Number Disordered Residues 19.0
Occupancy Sum Hydrogen 1047.0
Occupancy Sum Non Hydrogen 1352.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1098
Nucleic Acid Atoms 0
Heterogen Atoms 10
Solvent Atoms 244

Software

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