X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6
Details pH 6.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 63 α = 90
b = 113.5 β = 90
c = 34.5 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE -- -- 1996-07
Diffraction Radiation
Monochromator Protocol
SI(111) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON PHOTON FACTORY BEAMLINE BL-6A -- Photon Factory BL-6A

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
2.3 30 89.1 0.072 -- -- 3.7 -- 10513 -- 1.0 17.1
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)
2.3 2.38 63.0 0.16 -- 2.1 2.1 --

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 2.3 7.0 -- 2.0 -- 10028 926 83.5 -- 0.194 0.194 0.241 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 2.3 2.4 -- 82 618 0.243 0.274 -- 51.4
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
RMS Deviations
Key Refinement Restraint Deviation
x_dihedral_angle_d 19.7
x_mcbond_it 4.3
x_scangle_it 8.2
x_angle_deg 1.85
x_improper_angle_d 1.17
x_scbond_it 5.7
x_bond_d 0.012
x_mcangle_it 6.3
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.25
Luzzati Resolution Cutoff (Low) 7.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1842
Nucleic Acid Atoms 0
Heterogen Atoms 86
Solvent Atoms 195

Software

Software
Software Name Purpose
X-PLOR model building version: 3.1
X-PLOR refinement version: 3.1
DENZO data reduction
SCALEPACK data scaling
X-PLOR phasing version: 3.1