X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.9
Details CRYSTALLIZATION CONDITIONS 40% PEG 4000, 50 MM CACL2, 50 M PH 7.0, 4 DEGREES C, pH 6.9

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 34.51 α = 90
b = 37.3 β = 113.12
c = 37.07 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC -- 1998-06-03
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
-- SIEMENS -- -- --

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
1.7 40 84.2 0.038 -- -- 2.3 -- 9239 -- -- --

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 1.7 40.0 -- 0.0 8141 -- 950 84.2 0.1672 0.1678 -- 0.2274 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_similar_dist 0.001
s_bond_d 0.005
s_non_zero_chiral_vol 0.043
s_zero_chiral_vol 0.043
s_anti_bump_dis_restr 0.024
s_similar_adp_cmpnt 0.052
s_from_restr_planes 0.0229
s_approx_iso_adps 0.0
s_angle_d 0.015
s_rigid_bond_adp_cmpnt 0.0
Coordinate Error
Parameter Value
Number Disordered Residues 1.0
Occupancy Sum Hydrogen 794.0
Occupancy Sum Non Hydrogen 970.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 811
Nucleic Acid Atoms 0
Heterogen Atoms 5
Solvent Atoms 159

Software

Software
Software Name Purpose
CNS refinement
SHELX model building
SHELXL-97 refinement
DENZO data reduction
SCALEPACK data scaling
CNS phasing
SHELX phasing