X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details PROTEIN (10MG/ML) + SAM (1MG/ ML) WAS CRYSTALLIZED FROM 10-30% PEG 600, 100MM SODIUM CACODYLATE BUFFER, PH 4.6-5.2., pH 7.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 35.79 α = 90
b = 63.12 β = 102.67
c = 43.97 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS -- 1995-03
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH2R -- -- --

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
2.1 28 97.9 0.049 -- -- 2.9 -- 10414 -- 3.0 13.9
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)
2.1 2.21 86.9 0.049 0.19 2.6 2.4 --

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
DIFFERENCE FOURIER METHODS 2.1 28.0 -- 2.0 -- 10302 1040 91.8 -- 0.193 0.193 0.197 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 2.1 2.18 -- 89 737 0.241 0.287 0.03 74.3
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 27.6
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.48
x_bond_d 0.01
x_angle_deg 1.4
x_dihedral_angle_d 23.7
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.23
Luzzati Sigma A (Observed) 0.22
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.23
Luzzati Sigma A (R-Free Set) 0.25
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1690
Nucleic Acid Atoms 0
Heterogen Atoms 54
Solvent Atoms 112

Software

Computing
Computing Package Purpose
XDS Data Reduction (intensity integration)
CCP4 Data Reduction (data scaling)
CCP4 Structure Solution
X-PLOR 3.86 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.86 refinement
CCP4 model building