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Literature summary extracted from

  • Bond-Watts, B.B.; Weeks, A.M.; Chang, M.C.
    Biochemical and structural characterization of the trans-enoyl-CoA reductase from Treponema denticola (2012), Biochemistry, 51, 6827-6837.
    View publication on PubMed

Cloned(Commentary)

EC Number Cloned (Comment) Organism
1.3.1.44 expression in Escherichia coli Treponema denticola

Crystallization (Commentary)

EC Number Crystallization (Comment) Organism
1.3.1.44 crystal structure of tdTer is determined to 2.00 A Treponema denticola
1.3.1.44 to 2.0 A resolution Treponema denticola

Protein Variants

EC Number Protein Variants Comment Organism
1.3.1.44 F295A mutant shows kinetic behaviour relatively similar to wild-type toward substrates crotonyl-CoA and hexanoyl-CoA Treponema denticola
1.3.1.44 I287A mutant shows significant decreased kcat values compared to wild-type, mutant exhibit larger increases in catalytic efficiency on the longer hexanoyl-CoA substrate (versus the crotonyl-CoA substrate) of 100 and 17fold compared to that of the wild type (7fold) suggesting suggest these mutations may increase the accessibility of the longer acyl chain to the active site pocket. Mutant shows a much lower Ki (lauroyl-CoA) than wild-type Treponema denticola
1.3.1.44 L276A/V277A mutant shows significant decreased kcat values compared to wild-type Treponema denticola
1.3.1.44 L276A/V277A/F295A mutant shows significant decreased kcat values compared to wild-type, mutant exhibit larger increases in catalytic efficiency on the longer hexanoyl-CoA substrate (versus the crotonyl-CoA substrate) of 100 and 17fold compared to that of the wild type (7fold) suggesting suggest these mutations may increase the accessibility of the longer acyl chain to the active site pocket Treponema denticola
1.3.1.44 L291A mutant shows kinetic behaviour relatively similar to wild-type toward substrates crotonyl-CoA and hexanoyl-CoA Treponema denticola
1.3.1.44 Y240F Y240F mutation leads to a 5000fold decrease in catalytic efficiency compared to wild-type with no significant change in Km Treponema denticola
1.3.1.44 Y370A mutant shows kinetic behaviour relatively similar to wild-type toward substrates crotonyl-CoA and hexanoyl-CoA Treponema denticola

Inhibitors

EC Number Inhibitors Comment Organism Structure
1.3.1.44 butyryl-CoA
-
Treponema denticola
1.3.1.44 hexanoyl-CoA
-
Treponema denticola
1.3.1.44 lauroyl-CoA
-
Treponema denticola

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.3.1.44 0.0011
-
trans-2-dodecenoyl-CoA mutant L276A/V277A/F295A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 0.003
-
trans-2-dodecenoyl-CoA wild-type, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 0.0034
-
trans-2-hexenoyl-CoA mutant I287A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 0.0034
-
hexanoyl-CoA pH and temperature not specified in the publication, mutant I287A Treponema denticola
1.3.1.44 0.004
-
trans-2-dodecenoyl-CoA mutant I287A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 0.004
-
2-dodecenoyl-CoA pH and temperature not specified in the publication, mutant I287A Treponema denticola
1.3.1.44 0.0052
-
NADH wild-type, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 0.007
-
trans-2-hexenoyl-CoA mutant L276A/V277A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 0.007
-
hexanoyl-CoA pH and temperature not specified in the publication, mutant L276A/V277A Treponema denticola
1.3.1.44 0.012
-
trans-2-hexenoyl-CoA wild-type, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 0.012
-
hexanoyl-CoA pH and temperature not specified in the publication, wild-type Treponema denticola
1.3.1.44 0.015
-
trans-2-hexenoyl-CoA mutant L276A/V277A/F295A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 0.015
-
hexanoyl-CoA pH and temperature not specified in the publication, mutant L276A/V277A/F295A Treponema denticola
1.3.1.44 0.018
-
trans-2-hexenoyl-CoA mutant Y370A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 0.018
-
hexanoyl-CoA pH and temperature not specified in the publication, mutant Y370A Treponema denticola
1.3.1.44 0.019
-
trans-2-hexenoyl-CoA mutant F295A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 0.019
-
hexanoyl-CoA pH and temperature not specified in the publication, mutant F295A Treponema denticola
1.3.1.44 0.038
-
trans-2-hexenoyl-CoA mutant L291A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 0.038
-
hexanoyl-CoA pH and temperature not specified in the publication, mutant L291A Treponema denticola
1.3.1.44 0.049
-
crotonyl-CoA mutant Y240F, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 0.049
-
crotonyl-CoA pH and temperature not specified in the publication, mutant Y240F Treponema denticola
1.3.1.44 0.06
-
crotonyl-CoA mutant L276A/V277A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 0.06
-
crotonyl-CoA pH and temperature not specified in the publication, mutant L276A/V277A Treponema denticola
1.3.1.44 0.07
-
crotonyl-CoA wild-type, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 0.07
-
crotonyl-CoA pH and temperature not specified in the publication, wild-type Treponema denticola
1.3.1.44 0.1
-
crotonyl-CoA mutant F295A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 0.1
-
crotonyl-CoA pH and temperature not specified in the publication, mutant F295A Treponema denticola
1.3.1.44 0.11
-
crotonyl-CoA mutant L291A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 0.11
-
crotonyl-CoA pH and temperature not specified in the publication, mutant L291A Treponema denticola
1.3.1.44 0.15
-
crotonyl-CoA mutant Y370A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 0.15
-
crotonyl-CoA pH and temperature not specified in the publication, mutant Y370A Treponema denticola
1.3.1.44 0.16
-
crotonyl-CoA mutant I287A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 0.16
-
crotonyl-CoA pH and temperature not specified in the publication, mutant I287A Treponema denticola
1.3.1.44 0.19
-
NADPH wild-type, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 0.21
-
crotonyl-CoA mutant L276A/V277A/F295A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 0.21
-
crotonyl-CoA pH and temperature not specified in the publication, mutant L276A/V277A/F295A Treponema denticola

Organism

EC Number Organism UniProt Comment Textmining
1.3.1.44 Treponema denticola Q73Q47
-
-
1.3.1.44 Treponema denticola ATCC 35405 Q73Q47
-
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.3.1.44 (E)-2-hexanoyl-CoA + NADPH
-
Treponema denticola hexanoyl-CoA + NADP+
-
?
1.3.1.44 (E)-2-hexanoyl-CoA + NADPH
-
Treponema denticola ATCC 35405 hexanoyl-CoA + NADP+
-
?
1.3.1.44 crotonyl-CoA + NADH + H+
-
Treponema denticola butyryl-CoA + NAD+
-
?
1.3.1.44 crotonyl-CoA + NADH + H+
-
Treponema denticola ATCC 35405 butyryl-CoA + NAD+
-
?
1.3.1.44 crotonyl-CoA + NADPH
-
Treponema denticola butanoyl-CoA + NADP+
-
?
1.3.1.44 crotonyl-CoA + NADPH
-
Treponema denticola ATCC 35405 butanoyl-CoA + NADP+
-
?
1.3.1.44 crotonyl-CoA + NADPH + H+ NADPH is a poor cosubstrate Treponema denticola butyryl-CoA + NADP+
-
?
1.3.1.44 crotonyl-CoA + NADPH + H+ NADPH is a poor cosubstrate Treponema denticola ATCC 35405 butyryl-CoA + NADP+
-
?
1.3.1.44 trans-2-dodecenoyl-CoA + NADH + H+
-
Treponema denticola dodecanoyl-CoA + NAD+
-
?
1.3.1.44 trans-2-dodecenoyl-CoA + NADH + H+
-
Treponema denticola ATCC 35405 dodecanoyl-CoA + NAD+
-
?
1.3.1.44 trans-2-hexenoyl-CoA + NADH + H+
-
Treponema denticola hexanoyl-CoA + NAD+
-
?

Synonyms

EC Number Synonyms Comment Organism
1.3.1.44 Tde_0597
-
Treponema denticola
1.3.1.44 tdTer
-
Treponema denticola
1.3.1.44 TER
-
Treponema denticola
1.3.1.44 trans-enoyl-CoA reductase
-
Treponema denticola

Turnover Number [1/s]

EC Number Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
1.3.1.44 0.73
-
crotonyl-CoA mutant Y240F, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 0.73
-
crotonyl-CoA pH and temperature not specified in the publication, mutant Y240F Treponema denticola
1.3.1.44 6
-
trans-2-dodecenoyl-CoA mutant I287A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 6
-
2-dodecenoyl-CoA pH and temperature not specified in the publication, mutant I287A Treponema denticola
1.3.1.44 7.1
-
crotonyl-CoA mutant I287A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 7.1
-
crotonyl-CoA pH and temperature not specified in the publication, mutant I287A Treponema denticola
1.3.1.44 15.3
-
trans-2-hexenoyl-CoA mutant I287A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 15.3
-
hexanoyl-CoA pH and temperature not specified in the publication, mutant I287A Treponema denticola
1.3.1.44 15.6
-
crotonyl-CoA mutant L276A/V277A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 15.6
-
crotonyl-CoA pH and temperature not specified in the publication, mutant L276A/V277A Treponema denticola
1.3.1.44 18.9
-
crotonyl-CoA mutant L276A/V277A/F295A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 18.9
-
crotonyl-CoA pH and temperature not specified in the publication, mutant L276A/V277A/F295A Treponema denticola
1.3.1.44 19
-
trans-2-hexenoyl-CoA mutant L276A/V277A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 19
-
hexanoyl-CoA pH and temperature not specified in the publication, mutant L276A/V277A Treponema denticola
1.3.1.44 22.4
-
trans-2-hexenoyl-CoA mutant L276A/V277A/F295A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 22.4
-
hexanoyl-CoA pH and temperature not specified in the publication, mutant L276A/V277A/F295A Treponema denticola
1.3.1.44 24
-
trans-2-dodecenoyl-CoA mutant L276A/V277A/F295A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 24
-
2-dodecenoyl-CoA pH and temperature not specified in the publication, mutant L276A/V277A/F295A Treponema denticola
1.3.1.44 37
-
crotonyl-CoA mutant L291A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 37
-
crotonyl-CoA pH and temperature not specified in the publication, mutant L291A Treponema denticola
1.3.1.44 48
-
trans-2-hexenoyl-CoA mutant Y370A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 48
-
hexanoyl-CoA pH and temperature not specified in the publication, mutant Y370A Treponema denticola
1.3.1.44 50
-
trans-2-hexenoyl-CoA mutant L291A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 50
-
hexanoyl-CoA pH and temperature not specified in the publication, mutant L291A Treponema denticola
1.3.1.44 64
-
trans-2-hexenoyl-CoA mutant F295A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 64
-
hexanoyl-CoA pH and temperature not specified in the publication, mutant F295A Treponema denticola
1.3.1.44 73
-
crotonyl-CoA mutant F295A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 73
-
crotonyl-CoA pH and temperature not specified in the publication, mutant F295A Treponema denticola
1.3.1.44 90
-
trans-2-dodecenoyl-CoA wild-type, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 90
-
2-dodecenoyl-CoA pH and temperature not specified in the publication, wild-type Treponema denticola
1.3.1.44 91
-
crotonyl-CoA wild-type, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 91
-
crotonyl-CoA pH and temperature not specified in the publication, wild-type Treponema denticola
1.3.1.44 92
-
crotonyl-CoA mutant Y370A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 92
-
crotonyl-CoA pH and temperature not specified in the publication, mutant Y370A Treponema denticola
1.3.1.44 112
-
trans-2-hexenoyl-CoA wild-type, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 112
-
hexanoyl-CoA pH and temperature not specified in the publication, wild-type Treponema denticola

Cofactor

EC Number Cofactor Comment Organism Structure
1.3.1.44 NADH
-
Treponema denticola
1.3.1.44 NADPH NADH is preferred over NADPH Treponema denticola

Ki Value [mM]

EC Number Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
1.3.1.44 0.00003
-
lauroyl-CoA pH and temperature not specified in the publication, 0.0001 mM inhibitor, mutant I287A Treponema denticola
1.3.1.44 0.00006
-
lauroyl-CoA mutant I287A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 0.00006
-
lauroyl-CoA pH and temperature not specified in the publication, 0.00025 mM inhibitor, mutant I287A Treponema denticola
1.3.1.44 0.0004
-
lauroyl-CoA pH and temperature not specified in the publication, 0.0015 mM inhibitor, wild-type Treponema denticola
1.3.1.44 0.0005
-
lauroyl-CoA wild-type, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 0.0005
-
lauroyl-CoA pH and temperature not specified in the publication, 0.001 mM inhibitor, wild-type Treponema denticola
1.3.1.44 0.001
-
lauroyl-CoA mutant L276A/V277A/F295A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 0.003
-
lauroyl-CoA pH and temperature not specified in the publication, 0.010 mM inhibitor, mutant I287A Treponema denticola
1.3.1.44 0.01
-
lauroyl-CoA pH and temperature not specified in the publication, 0.005 mM inhibitor, mutant I287A Treponema denticola
1.3.1.44 0.05
-
hexanoyl-CoA wild-type, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 0.05
-
hexanoyl-CoA pH and temperature not specified in the publication, 0.05 mM inhibitor, wild-type Treponema denticola
1.3.1.44 0.08
-
hexanoyl-CoA pH and temperature not specified in the publication, 0.25 mM inhibitor, wild-type Treponema denticola
1.3.1.44 0.4
-
butyryl-CoA wild-type, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 0.4
-
butyryl-CoA pH and temperature not specified in the publication, 0.5 mM inhibitor, wild-type Treponema denticola

kcat/KM [mM/s]

EC Number kcat/KM Value [1/mMs-1] kcat/KM Value Maximum [1/mMs-1] Substrate Comment Organism Structure
1.3.1.44 15
-
crotonyl-CoA mutant Y240F, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 15
-
crotonyl-CoA pH and temperature not specified in the publication, mutant Y240F Treponema denticola
1.3.1.44 40
-
crotonyl-CoA mutant I287A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 40
-
crotonyl-CoA pH and temperature not specified in the publication, mutant I287A Treponema denticola
1.3.1.44 89
-
crotonyl-CoA mutant L276A/V277A/F295A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 89
-
crotonyl-CoA pH and temperature not specified in the publication, mutant L276A/V277A/F295A Treponema denticola
1.3.1.44 260
-
crotonyl-CoA mutant L276A/V277A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 260
-
crotonyl-CoA pH and temperature not specified in the publication, mutant L276A/V277A Treponema denticola
1.3.1.44 300
-
crotonyl-CoA mutant L291A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 300
-
crotonyl-CoA pH and temperature not specified in the publication, mutant L291A Treponema denticola
1.3.1.44 390
-
NADPH wild-type, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 600
-
crotonyl-CoA mutant Y370A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 600
-
crotonyl-CoA pH and temperature not specified in the publication, mutant Y370A Treponema denticola
1.3.1.44 700
-
crotonyl-CoA mutant F295A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 700
-
crotonyl-CoA pH and temperature not specified in the publication, mutant F295A Treponema denticola
1.3.1.44 1300
-
crotonyl-CoA wild-type, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 1300
-
trans-2-hexenoyl-CoA mutant L291A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 1300
-
hexanoyl-CoA pH and temperature not specified in the publication, mutant L291A Treponema denticola
1.3.1.44 1300
-
crotonyl-CoA pH and temperature not specified in the publication, wild-type Treponema denticola
1.3.1.44 1500
-
trans-2-hexenoyl-CoA mutant L276A/V277A/F295A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 1500
-
hexanoyl-CoA pH and temperature not specified in the publication, mutant L276A/V277A/F295A Treponema denticola
1.3.1.44 2000
-
trans-2-dodecenoyl-CoA mutant I287A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 2000
-
2-dodecenoyl-CoA pH and temperature not specified in the publication, mutant I287A Treponema denticola
1.3.1.44 2700
-
trans-2-hexenoyl-CoA mutant Y370A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 2700
-
hexanoyl-CoA pH and temperature not specified in the publication, mutant Y370A Treponema denticola
1.3.1.44 3000
-
trans-2-hexenoyl-CoA mutant L276A/V277A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 3000
-
hexanoyl-CoA pH and temperature not specified in the publication, mutant L276A/V277A Treponema denticola
1.3.1.44 3400
-
trans-2-hexenoyl-CoA mutant F295A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 3400
-
hexanoyl-CoA pH and temperature not specified in the publication, mutant F295A Treponema denticola
1.3.1.44 4500
-
trans-2-hexenoyl-CoA mutant I287A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 4500
-
hexanoyl-CoA pH and temperature not specified in the publication, mutant I287A Treponema denticola
1.3.1.44 9000
-
trans-2-hexenoyl-CoA wild-type, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 9000
-
hexanoyl-CoA pH and temperature not specified in the publication, wild-type Treponema denticola
1.3.1.44 16000
-
NADH wild-type, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 21000
-
trans-2-dodecenoyl-CoA mutant L276A/V277A/F295A, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 21000
-
2-dodecenoyl-CoA pH and temperature not specified in the publication, mutant L276A/V277A/F295A Treponema denticola
1.3.1.44 30000
-
trans-2-dodecenoyl-CoA wild-type, pH not specified in the publication, temperature not specified in the publication Treponema denticola
1.3.1.44 30000
-
2-dodecenoyl-CoA pH and temperature not specified in the publication, wild-type Treponema denticola