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Literature summary for 1.2.1.12 extracted from

  • Russo, A.D.; Rullo, R.; Masullo, M.; Ianniciello, G.; Arcari, P.; Bocchini, V.
    Glyceraldehyde 3-phosphate dehydrogenase in the hyperthermophilic archaeon Sulfolobus solfataricus: characterization and significance in glucose metabolism (1995), Biochem. Mol. Biol. Int., 36, 123-135.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
5
-
NAD+ pH 8.5, 65°C Saccharolobus solfataricus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
41000
-
4 * 41000, SDS-PAGE Saccharolobus solfataricus
155000
-
gel filtration Saccharolobus solfataricus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
D-glyceraldehyde 3-phosphate + phosphate + NAD+ Saccharolobus solfataricus
-
3-phospho-D-glyceroyl phosphate + NADH + H+
-
?

Organism

Organism UniProt Comment Textmining
Saccharolobus solfataricus P39460
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Saccharolobus solfataricus

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
9.2
-
pH 8.5, 65°C Saccharolobus solfataricus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
D-glyceraldehyde 3-phosphate + phosphate + NAD+
-
Saccharolobus solfataricus 3-phospho-D-glyceroyl phosphate + NADH + H+
-
?
D-glyceraldehyde 3-phosphate + phosphate + NAD+ the enzyme utilizes either NAD+ or NADP+ as coenzyme but its affinity for the latter is about 50fold higher Saccharolobus solfataricus 3-phospho-D-glyceroyl phosphate + NADH + H+
-
?

Subunits

Subunits Comment Organism
tetramer 4 * 41000, SDS-PAGE Saccharolobus solfataricus

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
87
-
-
Saccharolobus solfataricus

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
87
-
activity decreases rapidly above 87°C Saccharolobus solfataricus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
87
-
half-life: 45 min Saccharolobus solfataricus
95
-
complete inactivation after 30 min Saccharolobus solfataricus

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
20
-
NAD+ pH 8.5, 65°C Saccharolobus solfataricus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.5
-
-
Saccharolobus solfataricus

Cofactor

Cofactor Comment Organism Structure
NAD+ the enzyme utilizes either NAD+ or NADP+ as coenzyme but its affinity for NADP+ is about 50fold higher Saccharolobus solfataricus

pI Value

Organism Comment pI Value Maximum pI Value
Saccharolobus solfataricus calculated from sequence
-
8.7

kcat/KM [mM/s]

kcat/KM Value [1/mMs-1] kcat/KM Value Maximum [1/mMs-1] Substrate Comment Organism Structure
0.25
-
NAD+ pH 8.5, 65°C Saccharolobus solfataricus