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Literature summary for 2.3.1.57 extracted from

  • Takao, K.; Miyatake, S.; Fukazawa, K.; Wada, M.; Sugita, Y.; Shirahata, A.
    Measurement of spermidine/spermine-N1-acetyltransferase activity by high-performance liquid chromatography with N1-dansylnorspermine as the substrate (2008), Anal. Biochem., 376, 277-279.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.01
-
N1-dansylnorspermine pH 7.8, 37°C, SSAT in hepatoma cells Rattus norvegicus
0.013
-
acetyl-CoA pH 7.8, 37°C, SSAT in hepatoma cells Rattus norvegicus
0.015
-
sym-norspermidine pH 7.8, 37°C, SSAT in hepatoma cells Rattus norvegicus
0.018
-
N1-dansylspermine pH 7.8, 37°C, SSAT in hepatoma cells Rattus norvegicus
0.026
-
spermidine pH 7.8, 37°C, SSAT in hepatoma cells Rattus norvegicus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
acetyl-CoA + spermidine Rattus norvegicus
-
CoA + N1-acetylspermidine
-
?

Organism

Organism UniProt Comment Textmining
Rattus norvegicus
-
-
-

Reaction

Reaction Comment Organism Reaction ID
acetyl-CoA + an alkane-alpha,omega-diamine = CoA + an N-acetyldiamine the acetylation proceeds by Bi-Bi mechanism Rattus norvegicus

Source Tissue

Source Tissue Comment Organism Textmining
hepatocyte
-
Rattus norvegicus
-
hepatoma cell
-
Rattus norvegicus
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
acetyl-CoA + N1-dansylnorspermine the acetylation reaction proceeds by Bi-Bi mechanism Rattus norvegicus CoA + N1-acetyl-N1-dansylnorspermine
-
?
acetyl-CoA + N1-dansylspermine
-
Rattus norvegicus CoA + N1-acetyl-N1-dansylspermine
-
?
acetyl-CoA + spermidine
-
Rattus norvegicus CoA + N1-acetylspermidine
-
?
acetyl-CoA + sym-norspermidine
-
Rattus norvegicus CoA + N1-acetyl-sym-norspermidine
-
?

Synonyms

Synonyms Comment Organism
spermidine/spermine-N1-acetyltransferase activity
-
Rattus norvegicus
SSAT
-
Rattus norvegicus

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37
-
assay at Rattus norvegicus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.8
-
assay at Rattus norvegicus

Cofactor

Cofactor Comment Organism Structure
acetyl-CoA
-
Rattus norvegicus