Mass: 18.015 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Formula: H2O
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Experimental details
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Experiment
Experiment
Method: X-RAY DIFFRACTION / Number of used crystals: 1
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Sample preparation
Crystal
Density Matthews: 2.86 Å3/Da / Density % sol: 57.07 % Description: AN INITIAL MODEL WAS BUILT USING A 3-WAVELENGTH SE- MET MAD DATA SET. THIS INITIAL MODEL WAS USED AS IN MOLECULAR REPLACEMENT WITH THE HIGHEST RESOLUTION NATIVE DATA SET THAT IS ...Description: AN INITIAL MODEL WAS BUILT USING A 3-WAVELENGTH SE- MET MAD DATA SET. THIS INITIAL MODEL WAS USED AS IN MOLECULAR REPLACEMENT WITH THE HIGHEST RESOLUTION NATIVE DATA SET THAT IS DESCRIBED IN 4CB8. THE REFINED STRUCTURE OF 4CB8 WAS USED AS A MOLECULAR REPLACEMENT MODEL FOR THIS ENTRY. THE SE-MET DATA SET AND DERIVED SHARP DATA ARE INCLUDED WITH THIS ENTRY.
Monochromator: SI / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelength
Wavelength: 0.9795 Å / Relative weight: 1
Reflection
Resolution: 3→81.47 Å / Num. obs: 15841 / % possible obs: 100 % / Redundancy: 13.4 % / Rmerge(I) obs: 0.11 / Net I/σ(I): 16.4
Reflection shell
Resolution: 3→3.2 Å / Redundancy: 13.6 % / Rmerge(I) obs: 0.92 / Mean I/σ(I) obs: 3.1 / % possible all: 100
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Processing
Software
Name
Version
Classification
XDS
datareduction
Aimless
datascaling
PHASER
phasing
SHARP
phasing
REFMAC
5.7.0032
refinement
Refinement
Method to determine structure: MAD Starting model: NONE Resolution: 3→65.46 Å / Cor.coef. Fo:Fc: 0.945 / Cor.coef. Fo:Fc free: 0.904 / SU B: 21.211 / SU ML: 0.38 / Cross valid method: THROUGHOUT / ESU R Free: 0.464 / Stereochemistry target values: MAXIMUM LIKELIHOOD Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. A 3-WAVELENGTH SE-MAD EXPERIMENT WAS CARRIED OUT TO GET AN INITIAL MODEL. THIS MODEL WAS USED AS A MOLECULAR REPLACEMENT MODEL FOR THE ...Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. A 3-WAVELENGTH SE-MAD EXPERIMENT WAS CARRIED OUT TO GET AN INITIAL MODEL. THIS MODEL WAS USED AS A MOLECULAR REPLACEMENT MODEL FOR THE HIGHER RESOLUTION STRUCTURE DESCRIBED IN THIS ENTRY. THE OBSERVED DATA AND SHARP REFINEMENT RESULTS FOR THE SE-MET DATA ARE INCLUDED IN THE STRUCTURE-FACTOR CIF FILES.
Rfactor
Num. reflection
% reflection
Selection details
Rfree
0.29867
787
5 %
RANDOM
Rwork
0.21824
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obs
0.22216
14963
99.96 %
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Solvent computation
Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK