X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.8
Details PROTEIN WAS CRYSTALLIZED FROM 1.44M LITHIUM SULFATE, PH 4.8.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 85.37 α = 90
b = 114.64 β = 90
c = 199.94 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 287
Diffraction Detector
Detector Diffraction Type Details Collection Date
DIFFRACTOMETER WEISSENBERG MIRRORS 1994-01
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
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
2.2 50 95.7 0.059 -- -- 8.0 -- 86780 -- -3.0 --
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)
2.2 2.3 55.1 -- -- -- 1.1 --

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
SIROAS 2.2 7.0 -- 1.0 -- 86723 -- 86.5 -- -- 0.181 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 23.0
RMS Deviations
Key Refinement Restraint Deviation
p_bond_d 0.015
p_plane_restr 0.009
p_scangle_it 3.5
p_angle_d 0.04
p_scbond_it 2.3
p_multtor_nbd 0.231
p_singtor_nbd 0.203
p_planar_tor 4.4
p_staggered_tor 18.5
p_mcangle_it 2.7
p_mcbond_it 1.7
p_planar_d 0.04
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 10324
Nucleic Acid Atoms 0
Heterogen Atoms 88
Solvent Atoms 571

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
CCP4 model building
PROLSQ refinement
CCP4 phasing