X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8
Details 25% PEG 1450, 200 MM NACL, 25 MM BIS-TRIS PROPANE PH 8.0, VAPOR DIFFUSION, HANGING DROP

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 43.3 α = 90
b = 55.8 β = 90
c = 129.9 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 130
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC YALE MIRRORS 1996-01
Diffraction Radiation
Monochromator Protocol
YALE MIRRORS --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 -- -- --

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
1.9 20 91.8 -- 0.034 -- 3.1 -- 11768 -- -2.0 --
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)
1.9 1.97 53.5 -- 0.17 3.7 1.3 --

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
ISOMORPHOUS MOLECULAR REPLACEMENT 1.9 20.0 -- 0.0 -- 11737 1284 91.8 -- 0.215 0.215 0.275 BASED
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 1.9 1.99 -- 120 759 0.338 0.335 0.03 53.5
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED INDIVIDUAL
Mean Isotropic B 34.5
Anisotropic B[1][1] 2.89
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 8.487
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -4.71
RMS Deviations
Key Refinement Restraint Deviation
x_dihedral_angle_d 18.2
x_mcangle_it 1.495
x_mcbond_it 0.846
x_improper_angle_d 1.18
x_scbond_it 1.413
x_angle_deg 0.08
x_bond_d 0.004
x_scangle_it 2.44
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 695
Nucleic Acid Atoms 445
Heterogen Atoms 3
Solvent Atoms 155

Software

Software
Software Name Purpose
X-PLOR model building
X-PLOR refinement version: 3.8
DENZO data reduction
SCALEPACK data scaling
X-PLOR phasing