The Enzyme Database

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EC 1.1.1.373     
Accepted name: sulfolactaldehyde 3-reductase
Reaction: 2,3-dihydroxypropane-1-sulfonate + NAD+ = 2-hydroxy-3-oxopropane-1-sulfonate + NADH + H+
For diagram of sulphoglycolysis of sulfoquinovose, click here
Glossary: 2-hydroxy-3-oxopropane-1-sulfonate = sulfolactaldehyde
Other name(s): yihU (gene name)
Systematic name: 2,3-dihydroxypropane-1-sulfonate:NAD+ 3-oxidoreductase
Comments: The enzyme, characterized from the bacterium Escherichia coli, is involved in the degradation pathway of sulfoquinovose, the polar headgroup of sulfolipids found in the photosynthetic membranes of all higher plants, mosses, ferns, algae, and most photosynthetic bacteria, as well as the surface layer of some archaea.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Denger, K., Weiss, M., Felux, A.K., Schneider, A., Mayer, C., Spiteller, D., Huhn, T., Cook, A.M. and Schleheck, D. Sulphoglycolysis in Escherichia coli K-12 closes a gap in the biogeochemical sulphur cycle. Nature 507 (2014) 114–117. [DOI] [PMID: 24463506]
[EC 1.1.1.373 created 2014]
 
 
EC 1.2.1.97     
Accepted name: 3-sulfolactaldehyde dehydrogenase
Reaction: (2S)-3-sulfolactaldehyde + NAD(P)+ + H2O = (2S)-3-sulfolactate + NAD(P)H + H+
Glossary: (2S)-3-sulfolactaldehyde = (2S)-2-hydroxy-3-oxopropane-1-sulfonate
Other name(s): SLA dehydrogenase
Systematic name: (2S)-3-sulfolactaldehyde:NAD(P)+ oxidoreductase
Comments: The enzyme, characterized from the bacterium Pseudomonas putida SQ1, participates in a sulfoquinovose degradation pathway. Also acts on succinate semialdehyde.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Felux, A.K., Spiteller, D., Klebensberger, J. and Schleheck, D. Entner-Doudoroff pathway for sulfoquinovose degradation in Pseudomonas putida SQ1. Proc. Natl. Acad. Sci. USA 112 (2015) E4298–E4305. [DOI] [PMID: 26195800]
[EC 1.2.1.97 created 2015]
 
 
EC 4.1.2.57     
Accepted name: sulfofructosephosphate aldolase
Reaction: 6-deoxy-6-sulfo-D-fructose 1-phosphate = glycerone phosphate + 2-hydroxy-3-oxopropane-1-sulfonate
For diagram of sulphoglycolysis of sulfoquinovose, click here
Glossary: glycerone phosphate = dihydroxyacetone phosphate = 3-hydroxy-2-oxopropyl phosphate
2-hydroxy-3-oxopropane-1-sulfonate = 3-sulfolactaldehyde
Other name(s): yihT (gene name)
Systematic name: 6-deoxy-6-sulfofructose-1-phosphate 2-hydroxy-3-oxopropane-1-sulfonate-lyase (glycerone-phosphate-forming)
Comments: The enzyme, characterized from the bacterium Escherichia coli, is involved in the degradation pathway of sulfoquinovose, the polar headgroup of sulfolipids found in the photosynthetic membranes of all higher plants, mosses, ferns, algae, and most photosynthetic bacteria, as well as the surface layer of some archaea.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Denger, K., Weiss, M., Felux, A.K., Schneider, A., Mayer, C., Spiteller, D., Huhn, T., Cook, A.M. and Schleheck, D. Sulphoglycolysis in Escherichia coli K-12 closes a gap in the biogeochemical sulphur cycle. Nature 507 (2014) 114–117. [DOI] [PMID: 24463506]
[EC 4.1.2.57 created 2014]
 
 


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