X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Microbatch
pH 7
Temperature 278.0
Details 5-9% Peg 3350, 300 mM NaCl, 1 mM MgATP, 1 mM hydroxycobalamin, pH 7.0, microbatch, temperature 278K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 80 α = 90
b = 80 β = 90
c = 142 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
2 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD APS-1 -- 1999-07-01
IMAGE PLATE MARRESEARCH -- 1998-07-01
Diffraction Radiation
Monochromator Protocol
SAGITALLY FOCUSED Si(111) MAD
SAGITALLY FOCUSED Si(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID 0.97923, 0.97947, 0.98325, 0.908 APS 19-ID

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
2.05 30 98.1 0.055 -- -- 4.6 29134 29134 0.0 0.0 --
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)
2.05 2.12 97.1 0.281 -- -- 3.9 --

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
MAD + Molecular replacement 2.1 30.0 0.0 0.0 29095 29095 2943 -- 0.206 0.206 0.206 0.288 randomm
RMS Deviations
Key Refinement Restraint Deviation
t_dihedral_angle_d 0.008
t_bond_d 0.015
t_angle_deg 2.6
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2769
Nucleic Acid Atoms 0
Heterogen Atoms 155
Solvent Atoms 292

Software

Software
Software Name Purpose
AMoRE phasing
CNS refinement
DM model building
TNT refinement
DENZO data reduction
SCALEPACK data scaling
CNS phasing
DM phasing