X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details CRYSTALLIZATION CONDITIONS: PEG-MME 2K 17% AMMONIUM ACETATE 80MM PH 6.5 0.4M SODIUM ACETATE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 87.2 α = 90
b = 87.2 β = 90
c = 193.3 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC -- 1996-10
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE F1 -- CHESS F1

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
1.8 40 91.3 0.059 0.059 -- 3.1 -- 60889 -- 2.0 24.9
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)
1.8 1.86 34.7 0.212 0.212 5.5 1.7 --

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
MIRAS 1.9 6.0 -- 2.0 -- 52960 5337 92.2 -- -- 0.195 0.26 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 1.9 2.01 -- 755 6348 0.254 0.296 0.011 75.3
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 30.3
Anisotropic B[1][1] 0.86
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.86
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.73
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.29
x_bond_d 0.008
x_dihedral_angle_d 24.4
x_mcbond_it 1.99
x_scbond_it 3.01
x_scangle_it 3.99
x_mcangle_it 2.81
x_angle_deg 1.5
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.21
Luzzati Sigma A (Observed) 0.21
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.26
Luzzati Sigma A (R-Free Set) 0.21
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5383
Nucleic Acid Atoms 0
Heterogen Atoms 60
Solvent Atoms 526

Software

Software
Software Name Purpose
PHASES-95 model building
MLPHARE phasing
X-PLOR refinement version: 3.851
DENZO data reduction
SCALEPACK data scaling
PHASES phasing version: V. 95