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Literature summary for 5.3.1.1 extracted from

  • Dhaunta, N.; Arora, K.; Chandrayan, S.; Guptasarma, P.
    Introduction of a thermophile-sourced ion pair network in the fourth beta/alpha unit of a psychophile-derived triosephosphate isomerase from Methanococcoides burtonii significantly increases its kinetic thermal stability (2013), Biochim. Biophys. Acta, 1834, 1023-1033 .
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expression in Escherichia coli Methanococcoides burtonii

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
160000
-
gel filtration Methanococcoides burtonii

Organism

Organism UniProt Comment Textmining
Methanococcoides burtonii Q12UK2
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Methanococcoides burtonii DSM 6242 Q12UK2
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-

Purification (Commentary)

Purification (Comment) Organism
-
Methanococcoides burtonii

Subunits

Subunits Comment Organism
hexamer 6 * 23000, SDS-PAGE Methanococcoides burtonii

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
additional information
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the enzyme lacks an intricate network of 4 ion pairs in its 4th beta/alpha unit, (beta/alpha)4. Iintroduction of a thermophile-sourced ion pair network in the fourth beta/alpha unit of a psychophile-derived triosephosphate isomerase from Methanococcoides burtonii significantly increases its kinetic thermal stability. The enzyme with the incorporated ion pair network, shows significantly higher apparent Tm values and also displays significantly higher kinetic thermal stability Methanococcoides burtonii