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_angle_d 0.026
p_scbond_it 3.3
p_bond_d 0.017
p_mcbond_it 1.5
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

Software
Software Name Purpose
DENZO data reduction
ROTAVATA data reduction
AGROVATA data reduction
MLPHARE phasing
REFMAC refinement
CCP4 data scaling version: (AGROVATA
ROTAVATA) data scaling