X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 4.6
Temperature 291.0
Details Sodium Acetate, Sodium Chloride, pH 4.6, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 51.66 α = 90
b = 51.66 β = 90
c = 66.97 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV Mirrors 2000-11-20
Diffraction Radiation
Monochromator Protocol
Ni Filter SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU300 1.5418 -- --

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 26.81 92.6 0.053 -- -- 9.9 11173 10950 0.0 -3.0 26.6
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)
1.7 1.76 39.7 0.3 -- 4.0 2.9 885

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 26.81 0.0 0.0 11173 9885 1065 92.63 0.21 0.1909 0.187 0.217 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 1.7 1.74 399 35 -- 0.28 0.396 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Isotropic
Mean Isotropic B 23.9
Anisotropic B[1][1] 0.75
Anisotropic B[1][2] 0.38
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.75
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.13
RMS Deviations
Key Refinement Restraint Deviation
p_scbond_it 3.399
p_plane_restr 0.008
p_scangle_it 5.321
p_bond_d 0.018
p_chiral_restr 0.1
p_mcangle_it 2.634
p_mcbond_it 1.47
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 700
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 57

Software

Software
Software Name Purpose
MOLREP phasing
REFMAC refinement version: 5.0
DENZO data reduction
SCALEPACK data scaling