X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details pH 7.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 38.4 α = 95.38
b = 55.16 β = 89.98
c = 65.37 γ = 110.46
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 277
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE -- -- 1996-11
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON PHOTON FACTORY BEAMLINE BL-18B -- Photon Factory BL-18B

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
2.1 -- 90.0 0.06 -- -- 2.5 -- 24944 -- 1.0 30.0
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)
2.1 2.24 74.5 0.198 -- 3.1 1.8 --

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 2.1 100.0 -- 1.0 -- 25778 1267 90.7 -- 0.186 0.186 0.227 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 2.1 2.2 -- 135 2533 0.281 0.339 -- 74.5
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 31.1
RMS Deviations
Key Refinement Restraint Deviation
x_dihedral_angle_d 26.06
x_angle_deg 1.494
x_improper_angle_d 1.391
x_bond_d 0.009
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.34
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3408
Nucleic Acid Atoms 0
Heterogen Atoms 28
Solvent Atoms 194

Software

Software
Software Name Purpose
DENZO data reduction
SCALA(CCP4) data reduction
X-PLOR model building version: 3.851
X-PLOR refinement version: 3.851
CCP4 data scaling version: (SCALA)
X-PLOR phasing version: 3.851