X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.4
Temperature 277.0
Details PROTEIN WAS CRYSTALLIZED FROM 22% PEG 3350, 200 MM TRIS/HCL, PH 7.4. COMPLEX WAS MADE AT A PROTEIN CONCENTRATION OF 0.5 MG/ML, LEFT FOR 2-3 DAYS AT 4 DEGREES CELSIUS, CONCENTRATED TO 5MG/ML PROTEIN AND CRYSTALLIZATION CARRIED OUT IN HANGING DROPS., vapor diffusion - hanging drop, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 76.6 α = 100.7
b = 89.1 β = 115.3
c = 89.3 γ = 95.3
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS -- 1997-10
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
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
2.3 27.7 82.0 0.074 -- -- 5.1 -- 81111 -- 2.0 21.0
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)
2.3 2.5 75.9 0.122 -- 8.0 3.8 --

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 2.3 8.0 -- 2.0 -- 81111 4080 82.0 -- 0.189 0.189 0.253 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 2.3 2.5 -- 680 13519 0.25 0.309 0.0 75.9
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 28.5
Anisotropic B[1][1] 0.0
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.0
RMS Deviations
Key Refinement Restraint Deviation
x_scangle_it 2.8
x_angle_deg 1.6
x_dihedral_angle_d 19.1
x_bond_d 0.01
x_mcbond_it 1.4
x_improper_angle_d 1.6
x_scbond_it 2.4
x_mcangle_it 2.5
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 9814
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 263

Software

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