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Literature summary for 2.3.2.15 extracted from

  • Fontanini, D.; Andreucci, A.; Ruffini Castiglione, M.; Basile, A.; Sorbo, S.; Petraglia, A.; Degola, F.; Bellini, E.; Bruno, L.; Varotto, C.; Sanita di Toppi, L.
    The phytochelatin synthase from Nitella mucronata (Charophyta) plays a role in the homeostatic control of iron(II)/(III) (2018), Plant Physiol. Biochem., 127, 88-96 .
    View publication on PubMed
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Metals/Ions

Metals/Ions Comment Organism Structure
Cd2+ activates Nitella mucronata
Fe2+ activates Nitella mucronata
Fe3+ activates Nitella mucronata
additional information neither in vivo nor in vitro exposure to Zn2+ results in PCS activation, while Fe(II)/(III) and Cd2+ are able to activate enzyme PCS in vitro, as well as to induce phytochelatin (PC) accumulation in vivo. The enzyme activity depends on divalent cations, overview Nitella mucronata

Organism

Organism UniProt Comment Textmining
Nitella mucronata
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 collected from freshwater springs located in Parma surroundings (Italy) in April-May 2014/15/16
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Subunits

Subunits Comment Organism
? x * 40000, SDS-PAGE Nitella mucronata

Synonyms

Synonyms Comment Organism
PCS
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 Nitella mucronata
phytochelatin synthase
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 Nitella mucronata

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
35
-
 assay at Nitella mucronata

pI Value

Organism Comment pI Value Maximum pI Value
Nitella mucronata isoelectric focusing 4.9 4.8

General Information

General Information Comment Organism
physiological function analysis of the possible involvement of the enzyme in the homeostasis of metallic micronutrients, and its role in the detoxification of non-essential metals, such as Cd2+. Neither in vivo nor in vitro exposure to Zn results in PCS activation and significant phytochelatin (PC) biosynthesis, while Fe(II)/(III) and Cd2+ are able to activate enzyme PCS in vitro, as well as to induce PC accumulation in vivo. Function of enzyme PCS and phytochelatins in managing Fe homeostasis in the carophyte Nitella mucronata Nitella mucronata