X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 138.2 α = 90
b = 109.7 β = 90
c = 72.8 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 289
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE FUJI -- 1998-06-04
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON PHOTON FACTORY BEAMLINE BL-6A 1.000 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
2.85 30 98.2 0.154 -- -- 4.05 -- 26084 -- -1.5 73.7
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)
2.85 2.95 94.9 0.529 -- 0.9 2.76 2476

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 2.85 29.63 -- 0.0 -- 26084 1260 98.3 -- 0.216 0.216 0.287 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 2.85 2.95 -- 120 2243 0.344 0.385 0.035 90.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 68.0
Anisotropic B[1][1] -3.24
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -14.6
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 17.84
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 8.76
c_scbond_it 5.46
c_mcangle_it 6.34
c_mcbond_it 3.76
c_improper_angle_d 1.0
c_bond_d 0.008
c_angle_deg 1.4
c_dihedral_angle_d 23.4
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.37
Luzzati Sigma A (Observed) 0.62
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.49
Luzzati Sigma A (R-Free Set) 0.76
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7724
Nucleic Acid Atoms 0
Heterogen Atoms 21
Solvent Atoms 0

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
X-PLOR Structure Solution
CNS 1.1 Structure Refinement
Software
Software Name Purpose
CNS version: 1.1 refinement