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Literature summary for 1.1.1.27 extracted from

  • Mulkiewicz, E.; Zietara, M.S.; Stachowiak, K.; Skorkowski, E.F.
    Properties of lactate dehydrogenase from the isopod, Saduria entomon (2000), Comp. Biochem. Physiol. B, 126, 337-346.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
pyruvate at high concentrations Saduria entomon

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.08
-
pyruvate at 0°C and at 5°C Saduria entomon
0.12
-
pyruvate 10°C Saduria entomon
0.13
-
pyruvate 15°C Saduria entomon
0.14
-
pyruvate 20°C Saduria entomon
0.15
-
pyruvate 25°C Saduria entomon
0.18
-
pyruvate 30°C Saduria entomon
90.04
-
(S)-lactate
-
Saduria entomon

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
36000
-
4 * 36000, SDS-PAGE Saduria entomon
140000
-
gel filtration Saduria entomon

Organism

Organism UniProt Comment Textmining
Saduria entomon
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Saduria entomon

Source Tissue

Source Tissue Comment Organism Textmining
pectoral muscle
-
Saduria entomon
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
510
-
-
Saduria entomon

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
(S)-lactate + NAD+
-
Saduria entomon pyruvate + NADH + H+
-
r
pyruvate + NADH + H+
-
Saduria entomon (S)-lactate + NAD+
-
r

Subunits

Subunits Comment Organism
tetramer 4 * 36000, SDS-PAGE Saduria entomon

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
65
-
20 min, stable up to Saduria entomon
71.5
-
20 min, 50% loss of activity Saduria entomon

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.5
-
reduction of pyruvate Saduria entomon
9.1
-
oxidation of lactate Saduria entomon

Cofactor

Cofactor Comment Organism Structure
NAD+ coenzyme Saduria entomon
NADH coenzyme Saduria entomon