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Literature summary for 2.3.1.57 extracted from

  • Lin, H.J.; Lien, Y.C.; Hsu, C.H.
    A high-throughput colorimetric assay to characterize the enzyme kinetic and cellular activity of spermidine/spermine N1-acetyltransferase 1 (2010), Anal. Biochem., 407, 226-232.
    View publication on PubMed

Application

Application Comment Organism
analysis colorimetric assay for monitoring enzyme SSAT1 activity in zebrafish using a 412-nm absorption spectrum in the presence of Ellman's reagent. The method is cost-effective and simple and also applicable to detect the cellular enzyme activity Danio rerio

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.055
-
spermidine pH 7.5, 25°C Danio rerio
0.182
-
spermine pH 7.5, 25°C Danio rerio

Organism

Organism UniProt Comment Textmining
Danio rerio Q6GQM2
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
acetyl-CoA + putrescine poor substrate Danio rerio CoA + N1-acetylputrescine
-
?
acetyl-CoA + spermidine spermidine is preferred over spermine Danio rerio CoA + N1-acetyl-spermidine
-
?
acetyl-CoA + spermine spermidine is preferred over spermine Danio rerio CoA + N1-acetylspermine
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
45
-
-
Danio rerio

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
58.2
-
melting temperature Danio rerio
85
-
irreversible heat denaturing Danio rerio