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3.5.99.6: glucosamine-6-phosphate deaminase

This is an abbreviated version!
For detailed information about glucosamine-6-phosphate deaminase, go to the full flat file.

Word Map on EC 3.5.99.6

Reaction

alpha-D-glucosamine 6-phosphate
+
H2O
=
D-fructose 6-phosphate
+
NH3

Synonyms

2-amino-2-deoxy-D-glucose-6-phosphate aminohydrolase (ketol-isomerizing), 2-amino-2-deoxy-D-glucose-6-phosphate ketol isomerase (deaminating), aminodeoxyglucosephosphate isomerase, cGNPDA2-a, cGNPDA2-b, cGNPDA2-c, cGNPDA2-d, EC 5.3.1.10, GlcN-6-P isomerase, GlcN6P deaminase, glucosamine 6-phosphate deaminase, glucosamine 6-phosphate isomerase, glucosamine phosphate deaminase, glucosamine-6-phosphate deaminase, glucosamine-6-phosphate deaminase 1, glucosamine-6-phosphate deaminase 2, glucosamine-6-phosphate deaminase 2 isoform 2, glucosamine-6-phosphate deaminase 2 isoform 3, glucosamine-6-phosphate isomerase, glucosamine-6P deaminase, glucosamine-P isomerase, glucosaminephosphate isomerase, gnd, GNPDA, GNPDA1, GNPDA2, isomerase, glucosamine phosphate, More, NAG1, NagB, NagBBs, NagBEc, oscillin, phoshoglucosamine isomerase, phosphoglucosaminisomerase, SMU.636 protein

ECTree

     3 Hydrolases
         3.5 Acting on carbon-nitrogen bonds, other than peptide bonds
             3.5.99 In other compounds
                3.5.99.6 glucosamine-6-phosphate deaminase

Purification

Purification on EC 3.5.99.6 - glucosamine-6-phosphate deaminase

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PURIFICATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
ammonium sulfate precipitation, Resource Q column chromatography, and Ni2+-IDA agarose column chromatography
-
N-6-aminohexanoyl-glucosamine 6-phosphate agarose column chromatography
native enzyme 1390fold from kidney cortex by affinity chromatography on N-epsilon-amino-n-hexanoyl-D-glucosamine-6-phosphate agarose and on phosphocellulose, the latter behaving as an active site affinity resin
-
native enzyme by ammonium sulfate fractionation, anion exchange chromatography, and affinity chromatography on a N-aminohexyl-glucosamine-6-phosphate resin folowed by dialysis and ultrafiltration
-
recombinant enzyme
recombinant enzyme NagB from Escherichia coli strain BL21(DE3) by anion exchange chromatography, hydrophobic interaction chromatography, and gel filtration, to near homogeneity
recombinant His-tagged enzyme from Escherichia coli strain BL21(DE3) to homogeneity in two steps by nickel affinity chromatography and gel filtration
-
recombinant isozyme GNPDA1 from Escherichia coli strain IBPC 590 by single purification step by means of allosteric-site affinity chromatography on N-6-aminohexanoyl-GlcN6P agarose
wild-type enzyme and two mutants
-