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Literature summary for 2.7.8.27 extracted from

  • Luberto, C.; Stonehouse, M.J.; Collins, E.A.; Marchesini, N.; El-Bawab, S.; Vasil, A.I.; Vasil, M.L.; Hannun, Y.A.
    Purification, characterization, and identification of a sphingomyelin synthase from Pseudomonas aeruginosa. PlcH is a multifunctional enzyme (2003), J. Biol. Chem., 278, 32733-32743.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
Mn2+ 4 mM, about 40% inhibition Pseudomonas aeruginosa
Ni2+ 2 mM, 75% inhibition Pseudomonas aeruginosa
tricyclodecan-9-yl-xanthogenate i.e. D609 Pseudomonas aeruginosa
Zn2+ 0.5 mM, about 95% inhibition Pseudomonas aeruginosa

Organism

Organism UniProt Comment Textmining
Pseudomonas aeruginosa
-
strain PA01 and PAK
-

Purification (Commentary)

Purification (Comment) Organism
-
Pseudomonas aeruginosa

Source Tissue

Source Tissue Comment Organism Textmining
culture medium
-
Pseudomonas aeruginosa
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information highly purified sphingomyelin synthase preparation also shows neutral sphingomyelinase activity Pseudomonas aeruginosa ?
-
?
phosphatidylcholine + 6-((N-(7-nitrobenz-2-oxa-1,3-diazol-4-yl)amino)hexanoyl)sphingosine
-
Pseudomonas aeruginosa N-hexanoyl-4-nitrobenz-2-oxa-1,3-diazole-sphingomyelin + 1,2-diacylglycerol
-
ir

Synonyms

Synonyms Comment Organism
PlcH multifunctional enzyme Pseudomonas aeruginosa

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5 8.5
-
Pseudomonas aeruginosa

pH Range

pH Minimum pH Maximum Comment Organism
7 9.5 pH 7: about 50% of maximal activity, pH 9.5: 65% of maximal activity Pseudomonas aeruginosa