X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.3
Details PROTEIN AT 15 MG/ML WAS CRYSTALLIZED FROM 1.8M AMMONIUM SULFATE, 300 MM SODIUM POTASSIUM TARTRATE, IN 100MM PH 6.3 SODIUM CITRATE BUFFER.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 49.68 α = 90
b = 49.68 β = 90
c = 122 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 105
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS II MIRRORS 1994-12
Diffraction Radiation
Monochromator Protocol
NI FILTER --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH2R -- -- --

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
1.9 10 97.6 0.031 0.031 -- 7.2 -- 14002 -- 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)
1.9 1.97 88.5 0.129 0.129 5.8 3.8 --

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
MIR 1.9 8.0 -- 0.0 -- 13905 -- 98.0 -- -- 0.213 0.277 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
p_bond_d 0.017
p_angle_d 0.026
p_mcbond_it 1.5
p_scbond_it 3.3
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1248
Nucleic Acid Atoms 0
Heterogen Atoms 30
Solvent Atoms 120

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
CCP4 (AGROVATA, ROTAVATA) Data Reduction (data scaling)
MLPHARE Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
MLPHARE model building
AGROVATA data reduction
ROTAVATA data reduction
DENZO data collection