X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5
Temperature 287.0
Details 2.2M AMMONIUM SULFATE, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 287K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 63.61 α = 90
b = 79.27 β = 90
c = 141.51 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1998-05-01
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-1 -- SSRL BL9-1

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
2.45 30 96.9 0.075 -- -- -- 418613 27088 0.0 0.0 37.7
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)
2.45 2.54 98.1 0.255 -- -- -- --

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
-- 2.45 19.82 -- 2.0 26171 25720 1313 95.3 0.228 0.225 0.225 0.295 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 2.45 2.6 -- 190 4006 0.267 0.35 0.025 95.3
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 39.1
Anisotropic B[1][1] -8.23
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 6.98
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.25
RMS Deviations
Key Refinement Restraint Deviation
x_scbond_it 1.48
x_dihedral_angle_d 21.9
x_mcbond_it 1.0
x_mcangle_it 1.72
x_scangle_it 2.29
x_improper_angle_d 0.92
x_angle_deg 1.4
x_bond_d 0.006
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.32
Luzzati Sigma A (Observed) 0.22
Luzzati Resolution Cutoff (Low) 20.0
Luzzati ESD (R-Free Set) 0.44
Luzzati Sigma A (R-Free Set) 0.34
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4491
Nucleic Acid Atoms 0
Heterogen Atoms 47
Solvent Atoms 261

Software

Software
Software Name Purpose
X-PLOR model building
X-PLOR refinement
REFMAC refinement
CNS refinement version: 0.9
DENZO data reduction
SCALEPACK data scaling
X-PLOR phasing