Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary for 4.1.2.18 extracted from

  • Dahms, A.S.; Donald, A.
    2-keto-3-deoxy-D-Xylonate aldolase (3-deoxy-D-pentulosonic acid aldolase) (1982), Methods Enzymol., 90, 269-272.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.97
-
2-keto-3-deoxy-D-xylonate
-
Pseudomonas sp.

Metals/Ions

Metals/Ions Comment Organism Structure
Co2+ divalent cation required Pseudomonas sp.
Co2+ 76% of the activation with Mn2+ Pseudomonas sp.
Mg2+ divalent cation required Pseudomonas sp.
Mg2+ 33% of the activation with Mn2+ Pseudomonas sp.
Mn2+ divalent cation required Pseudomonas sp.
Mn2+ most effective Pseudomonas sp.
Ni2+ no activation Pseudomonas sp.
Ni2+ divalent cation required Pseudomonas sp.
Zn2+ divalent cation required, 15% of the activation with Mn2+ Pseudomonas sp.

Organism

Organism UniProt Comment Textmining
Pseudomonas sp.
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Pseudomonas sp.

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.16
-
-
Pseudomonas sp.

Storage Stability

Storage Stability Organism
-20°C, 2 weeks, 50% loss of activity Pseudomonas sp.

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2-Keto-3-deoxy-D-xylonate r, stereospecific reaction, the product does not serve as a substrate for the formation of 2-keto-3-deoxy-L-arabonate Pseudomonas sp. Pyruvate + glycolaldehyde
-
?

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
53
-
half-life: 30 min Pseudomonas sp.
55
-
half-life: 2 min Pseudomonas sp.

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.4 8.2
-
Pseudomonas sp.