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Literature summary for 1.3.1.104 extracted from

  • Demissie, R.D.; Kabre, P.; Tuntland, M.L.; Fung, L.W.
    An efficient and economical assay to screen for triclosan binding to FabI (2016), J. Biomol. Screen., 21, 391-398 .
    View publication on PubMed

Application

Application Comment Organism
analysis development of a simple thermal shift assay, which does not use ACP-linked substrates, to determine the binding ability of triclosan to the enzyme's active site Staphylococcus aureus

Cloned(Commentary)

Cloned (Comment) Organism
-
Staphylococcus aureus

Protein Variants

Protein Variants Comment Organism
A95V about 15% of wild-type activtiy, no inhibition by triclosan and no shift in melting temperature in presence of both triclosan and NADP+ Staphylococcus aureus
F204S no shift in melting temperature in presence of both triclosan and NADP+ Staphylococcus aureus
I193S no shift in melting temperature in presence of both triclosan and NADP+ Staphylococcus aureus
M99T mutant shows a similar shift in melting temperature in presence of both triclosan and NADP+ as wild-type Staphylococcus aureus

Inhibitors

Inhibitors Comment Organism Structure
triclosan 1.12 microM, 9% residual activity Staphylococcus aureus

Organism

Organism UniProt Comment Textmining
Staphylococcus aureus A0A0H3K7V7
-
-
Staphylococcus aureus Newman A0A0H3K7V7
-
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.66
-
pH not specified in the publication, 25°C Staphylococcus aureus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
crotonyl-[acyl-carrier-protein] + NADPH + H+
-
Staphylococcus aureus butyryl-[acyl-carrier-protein] + NADP+
-
?
crotonyl-[acyl-carrier-protein] + NADPH + H+
-
Staphylococcus aureus Newman butyryl-[acyl-carrier-protein] + NADP+
-
?

Subunits

Subunits Comment Organism
? x * 30397, calculated, x * 30397, mass spectrometry Staphylococcus aureus

Synonyms

Synonyms Comment Organism
FabI
-
Staphylococcus aureus
NWMN_0881
-
Staphylococcus aureus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
39.4
-
mutant A95V, melting temperature Staphylococcus aureus
40.2
-
mutant M99T, melting temperature Staphylococcus aureus
40.5
-
wild-type, melting temperature Staphylococcus aureus
58.8
-
wild-type, melting temperature in presence of both triclosan and NADP+. Neither triclosan nor NADP+ alone increases the Tm value Staphylococcus aureus
60.2
-
mutant M99T, melting temperature in presence of both triclosan and NADP+ Staphylococcus aureus