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Literature summary extracted from

  • Suzuki, Y.; Hirasawa, E.
    S-Adenosylmethionine decarboxylase of corn seedlings (1980), Plant Physiol., 66, 1091-1094.
    View publication on PubMedView publication on EuropePMC

Inhibitors

EC Number Inhibitors Comment Organism Structure
4.1.1.50 2,2'-Dihydroxy-6,6'-dinaphthyl disulfide
-
 Zea mays
4.1.1.50 5,5'-dithiobis(2-nitrobenzoate)
-
 Zea mays
4.1.1.50 methylglyoxal bis(guanylhydrazone)
-
 Zea mays
4.1.1.50 NEM
-
 Zea mays
4.1.1.50 p-hydroxymercuribenzoate
-
 Zea mays
4.1.1.50 p-Hydroxymercuriphenylsulfonate
-
 Zea mays

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
4.1.1.50 0.005
-
 S-adenosyl-L-methionine
-
 Zea mays

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
4.1.1.50 25000
-
 gel filtration Zea mays

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
4.1.1.50 S-adenosyl-L-methionine Zea mays EC 4.1.1.50 and EC 2.5.1.16 appear to function in sequence in animals and microorganisms in the synthesis of spermidine ?
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
4.1.1.50 Zea mays
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
4.1.1.50
-
 Zea mays

Source Tissue

EC Number Source Tissue Comment Organism Textmining
4.1.1.50 seedling germination is accompanied by a rapid increase in enzyme activity and maximal activity occurs in 5-day-old seedlings Zea mays
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
4.1.1.50 additional information
-
-
 Zea mays

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4.1.1.50 S-adenosyl-L-methionine
-
 Zea mays (5-deoxy-5-adenosyl)(3-aminopropyl)methylsulfonium salt + CO2
-
 ?
4.1.1.50 S-adenosyl-L-methionine EC 4.1.1.50 and EC 2.5.1.16 appear to function in sequence in animals and microorganisms in the synthesis of spermidine Zea mays ?
-
 ?

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
4.1.1.50 8.6
-
-
 Zea mays

pH Range

EC Number pH Minimum pH Maximum Comment Organism
4.1.1.50 7.2 9.5 pH 7.2: about 45% of maximal activity, pH 9.5: about 65% of maximal activity Zea mays

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
4.1.1.50 4
-
 5°C, 3 days, complete loss of activity Zea mays
4.1.1.50 7 8 5°C, 3 days, stable Zea mays
4.1.1.50 9
-
 5°C, 3 days, complete loss of activity Zea mays