X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.1
Details HUNGING DROP VAPOR DIFFUSION AGAINST 0.1 M PIPES PH 7.1, 0.1 M MGAC2 AND 14% PEG 6000 WITH A PROTEIN CONCENTRATION OF 3 MG/ML., vapor diffusion - hanging drop

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 72.11 α = 90
b = 72.11 β = 90
c = 250.51 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 291
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS -- 1996-04-01
Diffraction Radiation
Monochromator Protocol
CARBON SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
-- -- -- -- --

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
2.5 20 94.3 -- 0.086 -- 5.4 -- 22631 -- 1.0 --

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 2.5 10.0 -- 2.0 -- 18732 -- 79.9 -- 0.187 0.187 0.256 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 2.5 2.61 -- 119 1182 0.284 0.328 -- 45.6
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 31.14
Anisotropic B[1][1] -2.89
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -2.89
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 5.79
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.22
x_bond_d 0.014
x_angle_deg 3.24
x_dihedral_angle_d 24.77
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.25
Luzzati Resolution Cutoff (Low) 10.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3973
Nucleic Acid Atoms 0
Heterogen Atoms 35
Solvent Atoms 140

Software

Computing
Computing Package Purpose
SAINT Data Reduction (intensity integration)
SAINT Data Reduction (data scaling)
X-PLOR Structure Solution
X-PLOR 3.1 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.1 refinement
X-PLOR model building