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Literature summary for 2.6.1.16 extracted from

  • Wang, S.; Li, P.; Su, J.; Wu, X.; Liang, R.
    Characterization and expression of glucosamine-6-phosphate synthase from Saccharomyces cerevisiae in Pichia pastoris (2014), Biotechnol. Lett., 36, 2023-2028.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expression in Pichia pastoris Saccharomyces cerevisiae

Crystallization (Commentary)

Crystallization (Comment) Organism
molecular model of the 3-D on the basis of the crystal structures of Escherichia coli GlcN-6-P synthase, PDB entry 4AMV and Candida albicans GlcN-6-P synthase, PDB entry 2POC. The protein has a terminal glutamine amidotransferase type 2 domain (residues 2-318). The phosphosugar-binding SIS domain (residues 390-529; 562-707) plays a key role in catalysis and communication of fructose 6-phosphate and D-glucosamine 6-phosphate between the two active sites Saccharomyces cerevisiae

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.8
-
D-fructose 6-phosphate pH 7.0, 37°C Saccharomyces cerevisiae

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
90000
-
-
Saccharomyces cerevisiae

Organism

Organism UniProt Comment Textmining
Saccharomyces cerevisiae P14742
-
-

Posttranslational Modification

Posttranslational Modification Comment Organism
glycoprotein
-
Saccharomyces cerevisiae

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
4.93
-
pH 7.0, 37°C Saccharomyces cerevisiae

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-glutamine + D-fructose 6-phosphate
-
Saccharomyces cerevisiae L-glutamate + D-glucosamine 6-phosphate
-
?

Subunits

Subunits Comment Organism
? x * 80047, calculated, x * 90000, SDS-PAGE Saccharomyces cerevisiae

Synonyms

Synonyms Comment Organism
Gfa1
-
Saccharomyces cerevisiae

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
45 60
-
Saccharomyces cerevisiae

pH Stability

pH Stability pH Stability Maximum Comment Organism
4.5 5.5
-
Saccharomyces cerevisiae

pI Value

Organism Comment pI Value Maximum pI Value
Saccharomyces cerevisiae calculated
-
6