X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details 28% PEG 6000, 0.1 M NA-CACODYLATE AT PH 6.5, 0.2 M NA-ACETATE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 47.9 α = 78.6
b = 52.4 β = 90.1
c = 76.3 γ = 104.6
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 291
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS X1000 -- 1996-02-15
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE OTHER -- -- --

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
2.4 33.3 84.3 0.058 -- -- 1.9 -- 23191 -- 3.0 37.5
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)
2.4 2.64 48.5 -- -- 3.6 1.0 --

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
MR + SIR + INTERCRYSTAL AVERAGING 2.4 33.3 -- 0.0 -- 23191 1196 84.25 -- 0.16 0.16 0.198 FREERFLAG (CCP4)
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 2.4 2.64 -- 173 3173 0.267 0.294 -- 48.5
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 37.1
Anisotropic B[1][1] -3.218
Anisotropic B[1][2] 0.546
Anisotropic B[1][3] 0.635
Anisotropic B[2][2] -0.136
Anisotropic B[2][3] 4.453
Anisotropic B[3][3] 3.3552
RMS Deviations
Key Refinement Restraint Deviation
x_scbond_it 3.6
x_scangle_it 3.62
x_bond_d 0.006
x_improper_angle_d 1.119
x_angle_deg 1.373
x_dihedral_angle_d 27.33
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2671
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 257

Software

Software
Software Name Purpose
XENGEN data collection
ROTAVATA data reduction
AGROVATA data reduction
X-PLOR model building version: 3.1
X-PLOR refinement version: 3.1
XENGEN data reduction
CCP4 data scaling version: (AGROVATA
ROTAVATA) data scaling
X-PLOR phasing version: 3.1