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Literature summary for 1.1.1.27 extracted from

  • Place, A.R.; Powers, D.A.
    Purification and characterization of the lactate dehydrogenase (LDH-B4) allozymes of Fundulus heteroclitus (1984), J. Biol. Chem., 259, 1299-1308.
    View publication on PubMed

General Stability

General Stability Organism
addition of cofactor stabilizes all allozymes to urea inactivation Fundulus heteroclitus
inactivation by pronase, trypsin and chymotrypsin Fundulus heteroclitus

Inhibitors

Inhibitors Comment Organism Structure
Phenylglyoxal
-
Fundulus heteroclitus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
33700
-
x * 33700, SDS-PAGE Fundulus heteroclitus
139000
-
gel filtration Fundulus heteroclitus
187000
-
non-denaturing gel electrophoresis Fundulus heteroclitus

Organism

Organism UniProt Comment Textmining
Fundulus heteroclitus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
allozymes: LDH-Ba4, LDH-Ba/Bb and LDH-Bb4 Fundulus heteroclitus

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
419
-
-
Fundulus heteroclitus

Storage Stability

Storage Stability Organism
4°C, as ammonium sulfate suspension, stable for more than 8 months Fundulus heteroclitus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
pyruvate + NADH + H+
-
Fundulus heteroclitus (S)-lactate + NAD+
-
?

Subunits

Subunits Comment Organism
? x * 33700, SDS-PAGE Fundulus heteroclitus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
58
-
20 min, 50% loss of activity, allozyme LDH-Ba4 Fundulus heteroclitus
61
-
20 min, 50% loss of activity, allozyme LDH-Ba/Bb Fundulus heteroclitus
63
-
20 min, 50% loss of activity, allozyme LDH-Bb4 Fundulus heteroclitus

Cofactor

Cofactor Comment Organism Structure
NADH coenzyme Fundulus heteroclitus