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2.5.1.55: 3-deoxy-8-phosphooctulonate synthase

This is an abbreviated version!
For detailed information about 3-deoxy-8-phosphooctulonate synthase, go to the full flat file.

Word Map on EC 2.5.1.55

Reaction

phosphoenolpyruvate
+
D-arabinose 5-phosphate
 +
H2O
=
3-deoxy-D-manno-octulosonate 8-phosphate
 +
phosphate

Synonyms

2-dehydro-3-deoxy-D-octonate-8-phosphate D-arabinose-5-phosphate-lyase (pyruvate-phosphorylating), 2-dehydro-3-deoxyphosphooctonate aldolase, 2-keto-3-deoxy-8-phosphooctonic acid synthetase, 2-keto-3-deoxy-8-phosphooctonic synthetase, 2-keto-3-deoxy-D-manno-octulosonate-8-phosphate synthase, 3-deoxy-D-manno-2-octulosonate-8-phosphate synthase, 3-deoxy-D-manno-2-octulosonic acid-8-phosphate synthase, 3-deoxy-D-manno-octulosonate 8-phosphate synthase, 3-deoxy-D-manno-octulosonate 8-phosphate synthetase, 3-deoxy-D-manno-octulosonate-8-phosphate synthase, 3-deoxy-D-manno-octulosonic acid 8-phosphate synthase, 3-deoxy-D-mannooctulosonate-8-phosphate synthetase, 3-deoxyoctulosonic 8-phosphate synthetase, 3-eoxy-D-manno-octulosonate 8-phosphate synthase, 8-phospho-2-dehydro-3-deoxy-D-octonate D-arabinose-5-phosphate-lyase (pyruvate-phosphorylating), aldolase, phospho-2-keto-3-deoxyoctonate, AtkdsA1, AtkdsA2, EC 4.1.2.16, HpKDO8PS, KDO 8-phosphate synthetase, KDO-8-P synthase, KDO-8-P synthetase, Kdo-8-phosphate synthase, KDO8-P, Kdo8P synthase, KDO8PS, KDOPS, KDPO synthetase, KdsA, KdsA1, KdsA2, metal-independent 3-deoxy-D-manno-octulosonate 8-phosphate synthase, metal-independent KDO8PS, NmeKDO8PS, Phospho-2-dehydro-3-deoxyoctonate aldolase, phospho-2-keto-3-deoxyoctonate aldolase

ECTree

     2 Transferases
         2.5 Transferring alkyl or aryl groups, other than methyl groups
             2.5.1 Transferring alkyl or aryl groups, other than methyl groups (only sub-subclass identified to date)
                2.5.1.55 3-deoxy-8-phosphooctulonate synthase

Temperature Stability

Temperature Stability on EC 2.5.1.55 - 3-deoxy-8-phosphooctulonate synthase

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TEMPERATURE STABILITY
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
27
-
unstable in absence of phosphoenolpyruvate
40
-
30 min, in absence of any substrate or in presence of D-arabinose 5-phosphate, 30% loss of activity, no inactivation in presence of phosphoenolpyruvate
42
-
half-life of enzyme from mutant strain PR32, without D-arabinose-5-phosphate: 2.5 min. Half-life of enzyme from mutant strain PR32, in presence of 13 mM D-arabinose 5-phosphate: 9.5 min. Half-life of enzyme from parent strain PR122: 13 min
45
-
15 min, 30% loss of activity
60
-
20% incrase in activity after 7 min
69
-
mutant C21N, melting temperature
71
-
mutant P245A, melting temperature
78
-
mutant D243E, presence of Cd2+, melting temperature
79
-
mutant P245A, presence of Cd2+, melting temperature
82
-
wild-type, presence of Cd2+, melting temperature
additional information