Cloned (Comment) | Organism |
---|---|
pth2 gene, expression in Escherichia coli | Saccharolobus solfataricus |
Crystallization (Comment) | Organism |
---|---|
purified recombinant enzyme, hanging drop vapour diffusion method, 24°C, 0.0027 ml of 1.3 mg/ml protein in 20 mM Tris-HCl, pH 7.0, 0.1 mM EDTA, and 10 mM 2-mercaptoethanol are mixed with 0.0007 ml of 11 mg/ml tRNAfMet solution and 0.002 ml of reservoir solution containing 0.8 M LiSO4 and 1.6% PEG 8000, crystallization of tRNA free crystals within a few days, X-ray diffraction structure determination and analysis of native and HgBr2-containing crystals at 1.8-3.0 A resolution, modeling | Saccharolobus solfataricus |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Saccharolobus solfataricus | Q980V1 | gene pth2 | - |
Reaction | Comment | Organism | Reaction ID |
---|---|---|---|
N-substituted aminoacyl-tRNA + H2O = N-substituted amino acid + tRNA | residues K18, D86, and T90 are essential for catalytic activity, they are located in the N-part of alpha1 and in the beta3-beta4 loop. K18 and D86, which form a salt bridge, might play a role in the catalysis thanks to their acid and basic functions, whereas the OH group of T90 could act as a nucleophile | Saccharolobus solfataricus |
Subunits | Comment | Organism |
---|---|---|
dimer | crystal structure analysis, three-dimensional structure, each protomer is made of a mixed five-stranded beta-sheet surrounded by two groups of two alpha-helices, the dimer interface is mainly formed by van der Waals interactions between hydrophobic residues belonging to the two N-terminal R1 helices contributed by two protomers, overview | Saccharolobus solfataricus |
Synonyms | Comment | Organism |
---|---|---|
peptidyl-tRNA hydrolase | - |
Saccharolobus solfataricus |
suPth2 | - |
Saccharolobus solfataricus |