Mass: 18.015 Da / Num. of mol.: 183 / Source method: isolated from a natural source / Formula: H2O
Has protein modification
Y
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Experimental details
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Experiment
Experiment
Method: X-RAY DIFFRACTION / Number of used crystals: 5
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Sample preparation
Crystal
Density Matthews: 2.7 Å3/Da / Density % sol: 54.41 % / Description: NONE
Crystal grow
Method: vapor diffusion, sitting drop / pH: 4.5 Details: RIBONUCLEASE A FROM BOVINE PANCREAS (SIGMA) HAS BEEN DISSOLVED IN 50 MM SODIUM ACETATE BUFFER (PH 4.57) AND CRYSTALLIZED BY THE SITTING DROP DIFFUSION METHOD
Resolution: 1.58→55.43 Å / Cor.coef. Fo:Fc: 0.941 / Cor.coef. Fo:Fc free: 0.921 / SU B: 1.11 / SU ML: 0.041 / Cross valid method: THROUGHOUT / ESU R: 0.077 / ESU R Free: 0.08 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS.
Rfactor
Num. reflection
% reflection
Selection details
Rfree
0.19558
1020
5.2 %
RANDOM
Rwork
0.16242
-
-
-
obs
0.16416
18627
93.2 %
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Solvent computation
Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK