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4.2.1.168: GDP-4-dehydro-6-deoxy-alpha-D-mannose 3-dehydratase

This is an abbreviated version!
For detailed information about GDP-4-dehydro-6-deoxy-alpha-D-mannose 3-dehydratase, go to the full flat file.

Reaction

2-GDP-[(2S,3S,6R)-5-amino-6-methyl-3,6-dihydro-2H-pyran-3-ol]
=
2-GDP-[(2S,3S,6R)-5-imino-6-methyloxan-3-ol]

Synonyms

colD, GDP-4-keto-6-deoxy-D-mannose-3-dehydratase, WbdK

ECTree

     4 Lyases
         4.2 Carbon-oxygen lyases
             4.2.1 Hydro-lyases
                4.2.1.168 GDP-4-dehydro-6-deoxy-alpha-D-mannose 3-dehydratase

Reaction

Reaction on EC 4.2.1.168 - GDP-4-dehydro-6-deoxy-alpha-D-mannose 3-dehydratase

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REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
2-GDP-[(2S,3S,6R)-5-amino-6-methyl-3,6-dihydro-2H-pyran-3-ol] = 2-GDP-[(2S,3S,6R)-5-imino-6-methyloxan-3-ol]
show the reaction diagram
(1b), spontaneous
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GDP-2-[(2S,3S,6R)-5-imino-6-methyloxan-3-ol] + H2O = GDP-4-dehydro-3,6-dideoxy-alpha-D-mannose + NH3
show the reaction diagram
(1c), spontaneous
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GDP-4-dehydro-alpha-D-rhamnose + L-glutamate = 2-GDP-[(2S,3S,6R)-5-amino-6-methyl-3,6-dihydro-2H-pyran-3-ol] + 2-oxoglutarate + H2O
show the reaction diagram
(1a)
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GDP-4-dehydro-alpha-D-rhamnose + L-glutamate = GDP-4-dehydro-3,6-dideoxy-alpha-D-mannose + 2-oxoglutarate + NH3
show the reaction diagram
overall reaction
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