X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.2
Temperature 277.0
Details Tris-HCl, NaCl, ammonium sulfate, pH 8.2, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 42.01 α = 90
b = 41.07 β = 104.2
c = 71.93 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 103
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV -- 2002-11-26
Diffraction Radiation
Monochromator Protocol
Osmic mirrors SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU 1.54178 -- --

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
1.5 30 91.5 -- 0.093 -- 3.5 35103 35103 0.0 0.0 --
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)
1.5 1.53 37.0 -- 0.311 2.8 -- 694

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 1.5 10.0 -- 0.0 34555 34555 1716 90.5 0.1307 0.1291 0.1291 0.1887 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 22.3
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.08
s_similar_adp_cmpnt 0.057
s_rigid_bond_adp_cmpnt 0.003
s_anti_bump_dis_restr 0.018
s_non_zero_chiral_vol 0.056
s_zero_chiral_vol 0.048
s_from_restr_planes 0.0198
s_similar_dist 0.0
s_angle_d 0.028
s_bond_d 0.009
Coordinate Error
Parameter Value
Number Disordered Residues 2.0
Occupancy Sum Hydrogen 1983.0
Occupancy Sum Non Hydrogen 2296.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2035
Nucleic Acid Atoms 0
Heterogen Atoms 27
Solvent Atoms 233

Software

Computing
Computing Package Purpose
R-AXIS Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
SHELX model building