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Literature summary extracted from

  • Kappelhoff, J.C.; Liu, S.Y.; Dugdale, M.L.; Dymianiw, D.L.; Linton, L.R.; Huber, R.E.
    Practical considerations when using temperature to obtain rate constants and activation thermodynamics of enzymes with two catalytic steps: native and N460T-beta-alactosidase (E. coli) as Examples (2009), Protein J., 28, 96-103.
    View publication on PubMed

Protein Variants

EC Number Protein Variants Comment Organism
3.2.1.23 N460T analysis of rate constants and activation thermodynamics to demonstrate the valuable mechanistic details of enzymes that can be obtained from studies of this type Escherichia coli

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.2.1.23 additional information
-
additional information discussion of precautions and recommendations for measuring values of the rate constants and the associated enthalpies and entropies of enzymes with two catalytic steps by determining the effects of temperature on the kcat values Escherichia coli

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.23 Escherichia coli P00722
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-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.23 2-nitrophenyl beta-D-galactopyranoside + H2O
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Escherichia coli 2-nitrophenol + D-galactose
-
?
3.2.1.23 4-nitrophenyl beta-D-galactopyranoside + H2O
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Escherichia coli 4-nitrophenol + D-galactose
-
?