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Literature summary for 1.15.1.1 extracted from

  • Sivaprakasam, G.; Singh, D.; Dhillon, S.; Malhotra, S.P.; Ahlawat, T.R.; Singh, R.
    Purification and characterization of superoxide dismutase from guava (Psidium guajava L.) (2004), Physiol. Mol. Biol. Plants, 10, 59-64.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
H2O2 71% inhibition Psidium guajava
Mn2+ 55% inhibition Psidium guajava
additional information no effect: Cu2+, Co2+, Ca2+, sodium dodecylsulfate, 2-mercaptoethanol Psidium guajava
Sodium azide 33% inhibition Psidium guajava
Sodium cyanide 36% inhibition Psidium guajava

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.3
-
riboflavin
-
Psidium guajava
15
-
Nitro blue tetrazolium
-
Psidium guajava

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ up to 48% activation Psidium guajava
additional information no effect: Cu2+, Co2+, Ca2+ Psidium guajava

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
20000
-
2 * 20000, SDS-PAGE Psidium guajava
40000
-
gel filtration Psidium guajava

Organism

Organism UniProt Comment Textmining
Psidium guajava
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Psidium guajava

Source Tissue

Source Tissue Comment Organism Textmining
fruit immature green fruit Psidium guajava
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
nitro blue tetrazolium + ?
-
Psidium guajava ?
-
?
riboflavin + ?
-
Psidium guajava ?
-
?

Subunits

Subunits Comment Organism
dimer 2 * 20000, SDS-PAGE Psidium guajava

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
40
-
stable up to Psidium guajava

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.8
-
-
Psidium guajava