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Literature summary extracted from

  • Carter, C.; Thornburg, R.W.
    Tobacco nectarin I. Purification and characterization as a germin-like, manganese superoxide dismutase implicated in the defense of floral reproductive tissues (2000), J. Biol. Chem., 275, 36726-36733.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
1.15.1.1 CN- no inhibition Mn-SOD Nicotiana sp.
1.15.1.1 H2O2 no inhibition: Mn-SOD Nicotiana sp.

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
1.15.1.1 extracellular Mn-SOD, nectar Nicotiana sp.
-
-

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
1.15.1.1 Mn2+ specific for Nicotiana sp.
1.15.1.1 Mn2+ 0.5 mol per mol of subunit Nicotiana sp.

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
1.15.1.1 165000
-
 nectarin I: Mn-SOD, native PAGE Nicotiana sp.

Organism

EC Number Organism UniProt Comment Textmining
1.15.1.1 Nicotiana sp.
-
 nectarin I with Mn-SOD activity
-

Posttranslational Modification

EC Number Posttranslational Modification Comment Organism
1.15.1.1 glycoprotein biantennary nonasaccharide with composition (GlnNAc)4:Man3:Xyl:Fuc Nicotiana sp.
1.15.1.1 glycoprotein nectarin I: Mn-SOD Nicotiana sp.

Purification (Commentary)

EC Number Purification (Comment) Organism
1.15.1.1 nectarin I: Mn-SOD from nectar Nicotiana sp.

Renatured (Commentary)

EC Number Renatured (Comment) Organism
1.15.1.1 activity cannot be restored by Fe2+, Cu2+, Zn2+, and Cu2+/Zn2+, but by Mn2+ Nicotiana sp.

Source Tissue

EC Number Source Tissue Comment Organism Textmining
1.15.1.1 nectar nectarin I Nicotiana sp.
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.15.1.1 additional information
-
-
 Nicotiana sp.

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.15.1.1 O2- + H+
-
 Nicotiana sp. O2 + H2O2
-
 ?

Subunits

EC Number Subunits Comment Organism
1.15.1.1 ? x * 22500-29000, nectarin I: Mn-SOD, SDS-PAGE and mass spectroscopy Nicotiana sp.
1.15.1.1 More enzyme is only active as tetramer or pentamer Nicotiana sp.

Synonyms

EC Number Synonyms Comment Organism
1.15.1.1 nectarin I
-
 Nicotiana sp.

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
1.15.1.1 90
-
 nectarin I: Mn-SOD, 85% remaining activity after 1 h Nicotiana sp.
1.15.1.1 100
-
 complete loss of activity Nicotiana sp.