Carbonyl sulfide hydrolase (EC 3.13.1.7; abbreviated as COSase) is an enzyme that degrades carbonyl sulfide (COS) to hydrogen sulfide (H2S) and carbon dioxide (CO2). Isolated from Thiobacillus thioparus bacterium, the potential of COSase would reduce the high global warming effect of COS and change the ozone chemistry, because COS is the source of sulfur in the troposphere.[1][2][3]
^Ogawa T, Noguchi K, Saito M, Nagahata Y, Kato H, Ohtaki A, et al. (March 2013). "Carbonyl sulfide hydrolase from Thiobacillus thioparus strain THI115 is one of the β-carbonic anhydrase family enzymes". Journal of the American Chemical Society. 135 (10): 3818–25. doi:10.1021/ja307735e. PMID 23406161.
^Chin M, Davis DD (1995). "A reanalysis of carbonyl sulfide as a source of stratospheric background sulfur aerosol". Journal of Geophysical Research. 100 (D5): 8993. Bibcode:1995JGR...100.8993C. doi:10.1029/95JD00275.
^Andreae MO (16 May 1997). "Atmospheric Aerosols: Biogeochemical Sources and Role in Atmospheric Chemistry". Science. 276 (5315): 1052–1058. doi:10.1126/science.276.5315.1052.
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Kuraishi H (1992). "A thiocyanate hydrolase of Thiobacillus thioparus. A novel enzyme catalyzing the formation of carbonylsulfide from thiocyanate". J. Biol...
Relations. April 2008. Retrieved 24 March 2023. Blake, Nicola J. (2004). "Carbonylsulfide and carbon disulfide: Large-scale distributions over the western Pacific...
thiocyanate hydrolases, catalyze the hydrolysis of thiocyanate. A cobalt-containing hydrolase catalyzes its conversion to carbonylsulfide: SCN− + H2O...
component of some sulfur cycles. Thiocyanate hydrolases catalyze the conversion of thiocyanate to carbonylsulfide and to cyanate: SCN− + H2O + H+ → SCO +...
In the Johnson–Corey–Chaykovsky reaction epoxides are generated from carbonyl groups and sulfonium ylides. In this reaction, a sulfonium is the leaving...
isotopes. The most common zinc ore is sphalerite (zinc blende), a zinc sulfide mineral. The largest workable lodes are in Australia, Asia, and the United...
ring systems, which are phenols, are connected by two α,β-unsaturated carbonyl groups. It is a diketone tautomer, existing in enolic form in organic solvents...
is because the zwitterionic resonance forms all donate electrons to the carbonyl carbon making it less of an electrophile making it less reactive to nucleophilic...
variant of NAD(P)H:quinone oxidoreductase 1 (NQO1), microsomal epoxide hydrolase (EPHX) and deletion of the glutathione S-transferase T1 (GSTT1) showed...
glyceramide both spontaneously or enzymatically by microsomal epoxide hydrolase. This too can be excreted through urine. Mice and rats show mutations...
membrane, oxidizes dihydroorotate to orotate. Orotate phosphoribosyl hydrolase (OMP pyrophosphorylase) condenses orotate with PRPP to form orotidine-5'-phosphate...
may be glycosylated. The catalytic domain of both isoforms is an α/β hydrolase domain which consists of 8 core β sheets that are mutually hydrogen-bonded...
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