X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.2
Details pH 8.2

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 43.99 α = 90
b = 80.78 β = 90
c = 159.16 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 290
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1996-06-13
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH2R -- -- --

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
3.1 25 86.7 0.147 -- -- 2.9 -- 9414 -- 2.0 --
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)
3.1 3.18 55.2 0.63 -- 1.2 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 3.35 7.0 -- 2.0 -- 6845 -- 81.0 -- -- -- -- --
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 3.25 3.35 -- -- 240 0.311 -- -- 29.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 26.1
RMS Deviations
Key Refinement Restraint Deviation
x_scangle_it 4.228
x_mcangle_it 3.581
x_mcbond_it 2.09
x_dihedral_angle_d 25.74
x_scbond_it 2.661
x_bond_d 0.01
x_angle_deg 1.671
x_improper_angle_d 1.386
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4170
Nucleic Acid Atoms 0
Heterogen Atoms 82
Solvent Atoms 19

Software

Software
Software Name Purpose
MOSFLM data reduction
ROTAGR data reduction
X-PLOR model building version: 3.851
X-PLOR refinement version: 3.851
ROTAGR data scaling
X-PLOR phasing version: 3.851