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Literature summary for 1.2.1.88 extracted from

  • Forlani, G.; Scainelli, D.; Nielsen, E.
    DELTA1-Pyrroline-5-carboxylate dehydrogenase from cultured cells of potato. Purification and properties (1997), Plant Physiol., 113, 1413-1418.
    View publication on PubMedView publication on EuropePMC

Inhibitors

Inhibitors Comment Organism Structure
chloride
-
Solanum tuberosum
sulfate no inhibition Solanum tuberosum

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.11
-
NAD+
-
Solanum tuberosum
0.46
-
1-pyrroline-5-carboxylate
-
Solanum tuberosum
0.662
-
NADP+
-
Solanum tuberosum

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
60000
-
4 * 60000, SDS-PAGE Solanum tuberosum
240000
-
gel filtration Solanum tuberosum

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1-pyrroline-5-carboxylate + NAD+ + H2O Solanum tuberosum
-
L-glutamate + NADH
-
?

Organism

Organism UniProt Comment Textmining
Solanum tuberosum
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Solanum tuberosum

Source Tissue

Source Tissue Comment Organism Textmining
cell culture
-
Solanum tuberosum
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
44.15
-
-
Solanum tuberosum

Storage Stability

Storage Stability Organism
0°C, 0.2 M potsassium phosphate or 0.2 M KCl, pH 7.4, 45 days, 70-80% activity remains Solanum tuberosum
0°C, 25 mM Hepes-KOH, pH 7.4, 0.5 mM dithiothreitol, 1 mM MgCl2, 1% polyvinyl polypyrrolidone, loss of 90% activity after 15 days Solanum tuberosum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1-pyrroline-5-carboxylate + NAD+ + H2O
-
Solanum tuberosum L-glutamate + NADH
-
?
1-pyrroline-5-carboxylate + NADP+ + H2O
-
Solanum tuberosum L-glutamate + NADPH + H+
-
r

Subunits

Subunits Comment Organism
tetramer 4 * 60000, SDS-PAGE Solanum tuberosum

Synonyms

Synonyms Comment Organism
P5C dehydrogenase
-
Solanum tuberosum

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
38
-
-
Solanum tuberosum

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
15 37.5
-
Solanum tuberosum

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
45
-
half-life 44 min Solanum tuberosum
50
-
half-life 30 min Solanum tuberosum

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.3 8.3
-
Solanum tuberosum

Cofactor

Cofactor Comment Organism Structure
NAD+ preferentially Solanum tuberosum
NADP+ 60% of the activity with NAD+ Solanum tuberosum