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Literature summary for 2.7.1.1 extracted from

  • Kalab, P.; Visconti, P.; Leclerc, P.; Kopf, G.S.
    p95, the major phosphotyrosine-containing protein in mouse spermatozoa, is a hexokinase with unique properties (1994), J. Biol. Chem., 269, 3810-3817.
    View publication on PubMed

Localization

Localization Comment Organism GeneOntology No. Textmining
membrane sperm Mus musculus 16020
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
95000
-
x * 95000, sperm, SDS-PAGE under nonreducing conditions, x * 116000, sperm, SDS-PAGE under reducing conditions Mus musculus
116000
-
x * 116000, sperm, SDS-PAGE under reducing conditions Mus musculus
116000
-
x * 95000, sperm, SDS-PAGE under nonreducing conditions, x * 116000, sperm, SDS-PAGE under reducing conditions Mus musculus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
additional information Mus musculus sperm hexokinase p95/116 may serve as cell surface receptor kinase for the zona pellucida glycoprotein ZP3 ?
-
?

Organism

Organism UniProt Comment Textmining
Mus musculus
-
-
-

Posttranslational Modification

Posttranslational Modification Comment Organism
side-chain modification the germ cell component of testis contains a unique tyrosine-phosphorylated form of hexokinase, hexokinase I of brain, kidney, spleen and heart are not phosphorylated Mus musculus

Purification (Commentary)

Purification (Comment) Organism
sperm membrane hexokinase p95/116 Mus musculus

Source Tissue

Source Tissue Comment Organism Textmining
brain hexokinase I Mus musculus
-
heart hexokinase I Mus musculus
-
kidney hexokinase I Mus musculus
-
semen sperm membrane and sperm extract, uncapacitated causal epididymal sperm, contains a unique tyrosine-phosphorylated form of hexokinase Mus musculus
-
spleen hexokinase I Mus musculus
-
testis germ cell component, contains a unique tyrosine-phosphorylated form of hexokinase Mus musculus
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
D-glucose + ATP
-
Mus musculus ADP + D-glucose 6-phosphate
-
?
additional information sperm hexokinase p95/116 may serve as cell surface receptor kinase for the zona pellucida glycoprotein ZP3 Mus musculus ?
-
?

Subunits

Subunits Comment Organism
? x * 116000, sperm, SDS-PAGE under reducing conditions Mus musculus
? x * 95000, sperm, SDS-PAGE under nonreducing conditions, x * 116000, sperm, SDS-PAGE under reducing conditions Mus musculus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
additional information
-
-
Mus musculus

Cofactor

Cofactor Comment Organism Structure
ATP
-
Mus musculus