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Literature summary for 1.2.1.12 extracted from

  • Shchutskaya, Y.Y.; Elkina, Y.L.; Kuravsky, M.L.; Bragina, E.E.; Schmalhausen, E.V.
    Investigation of glyceraldehyde-3-phosphate dehydrogenase from human sperms (2008), Biochemistry, 73, 185-191.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.022
-
NAD+ in 50 mM glycine, 50 mM potassium phosphate, 5 mM EDTA, pH 9.0 Homo sapiens
0.77
-
D-glyceraldehyde 3-phosphate in 50 mM glycine, 50 mM potassium phosphate, 5 mM EDTA, pH 9.0 Homo sapiens

Localization

Localization Comment Organism GeneOntology No. Textmining
cytoplasm
-
Homo sapiens 5737
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
40000
-
4 * 40000, N-terminally truncated enzyme after trypsin treatment, SDS-PAGE Homo sapiens
58000
-
full length subunit Homo sapiens
150000
-
N-terminally truncated enzyme after trypsin-treatment, Blue Native PAGE Homo sapiens

Organism

Organism UniProt Comment Textmining
Homo sapiens O14556
-
-
Homo sapiens P04406
-
-

Purification (Commentary)

Purification (Comment) Organism
phenyl Sepharose column chromatography Homo sapiens

Source Tissue

Source Tissue Comment Organism Textmining
liver
-
Homo sapiens
-
sperm GAPDS exists in sperms bound to the fibrous sheath of the flagellum Homo sapiens
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
62
-
-
Homo sapiens

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
D-glyceraldehyde 3-phosphate + phosphate + NAD+
-
Homo sapiens 3-phospho-D-glyceroyl phosphate + NADH + H+
-
?

Subunits

Subunits Comment Organism
homotetramer 4 * 40000, N-terminally truncated enzyme after trypsin treatment, SDS-PAGE Homo sapiens

Synonyms

Synonyms Comment Organism
GAPDH
-
Homo sapiens
GAPDS sperm-specific GADPH Homo sapiens

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8 9
-
Homo sapiens
8 8.3
-
Homo sapiens

Cofactor

Cofactor Comment Organism Structure
NAD+
-
Homo sapiens