X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details PROTEIN AT 10MG/ML WELL BUFFER CONTAINING 17.5% PEG3350, 200MM HEPES, PH7.0, 100MM AMMONIUM ACETATE, pH 7.00

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 53.13 α = 90
b = 70.7 β = 90
c = 72.48 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 SAGITALLY FOCUSSING GE(220) 1998-12-15
Diffraction Radiation
Monochromator Protocol
DIAMOND(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-3 -- ESRF ID14-3

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 31.77 94.0 0.033 -- -- 2.4 -- 24559 -- -- 13.7
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)
1.8 1.89 79.0 0.156 -- 8.5 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
MOLECULAR REPLACEMENT 1.79 31.77 -- 0.0 -- 24527 1221 93.5 -- -- 0.19 0.219 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 1.79 1.9 -- 168 3126 0.252 0.304 0.023 75.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 18.8
Anisotropic B[1][1] 1.04
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.19
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.86
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.77
c_bond_d 0.006
c_scbond_it 2.24
c_dihedral_angle_d 22.5
c_mcbond_it 1.33
c_scangle_it 3.16
c_angle_deg 1.2
c_mcangle_it 2.07
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.19
Luzzati Sigma A (Observed) 0.11
Luzzati Resolution Cutoff (Low) 25.0
Luzzati ESD (R-Free Set) 0.22
Luzzati Sigma A (R-Free Set) 0.17
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2288
Nucleic Acid Atoms 0
Heterogen Atoms 72
Solvent Atoms 243

Software

Software
Software Name Purpose
CNX refinement version: 2000.1
MOSFLM data reduction
SCALA data scaling
AMoRE phasing