X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.2
Details CRYSTALS GROWN BY HANGING DROP VAPOR DIFFUSION FROM A SOLUTION OF 20 MG/ML PROTEIN, 500 MM NACL, 10 MM TRIS-HCL, PH 8.2, 2 M NAFORMATE, AGAINST 4 M NAFORMATE AS THE RESERVOIR, vapor diffusion - hanging drop

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 51.9 α = 90
b = 51.9 β = 90
c = 294.93 γ = 120
Symmetry
Space Group P 65 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS II Y 1996-07-16
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH3R -- -- --

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
2.65 50 93.0 0.069 0.069 -- 11.1 -- 7139 -- 0.0 54.6
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)
2.65 2.75 55.6 0.301 -- 1.63 2.0 --

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 2.65 8.0 -- 1.0 -- 6577 526 90.6 -- 0.222 0.222 0.277 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 2.65 2.77 -- 35 395 0.312 0.347 -- 50.2
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 42.1
RMS Deviations
Key Refinement Restraint Deviation
x_angle_deg 1.143
x_bond_d 0.011
x_improper_angle_d 2.13
x_dihedral_angle_d 23.72
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.3
Luzzati Sigma A (Observed) 0.52
Luzzati Resolution Cutoff (Low) 8.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1416
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 22

Software

Software
Software Name Purpose
AMoRE phasing
X-PLOR refinement version: 3.1
MSC data reduction
MSC data scaling