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Literature summary for 3.1.2.21 extracted from

  • Davies, H.M.; Anderson, L.; Fan, C.; Hawkins, D.J.
    Developmental induction, purification, and further characterization of 12:0-ACP thioesterase from immature cotyledons of Umbellularia californica (1991), Arch. Biochem. Biophys., 290, 37-45.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
CHAPS stimulation Umbellularia californica
cholate slight stimulation at 0.1 and 0.01% w/v. Strong inhibition at 1% w/v Umbellularia californica
octylglucoside stimulation at 0.1 and 0.01% w/v. Strong inhibition at 1% w/v Umbellularia californica
Triton X-100 stimulation Umbellularia californica
Zwittergent 3-8 stimulation Umbellularia californica

General Stability

General Stability Organism
stable to repeated thawings Umbellularia californica

Inhibitors

Inhibitors Comment Organism Structure
Ca2+ 1 mM, 50% inhibition Umbellularia californica
cholate slight stimulation at 0.1 and 0.01% w/v. Strong inhibition at 1% w/v Umbellularia californica
Cu2+ 1 mM, 100% inhibition Umbellularia californica
diethyldicarbonate 1 mM, 97% inhibition Umbellularia californica
Mg2+ 1 mM, 50% inhibition Umbellularia californica
Mn2+ 1 mM, 50% inhibition Umbellularia californica
octylglucoside stimulation at 0.1 and 0.01% w/v. Strong inhibition at 1% w/v Umbellularia californica
Zn2+ 1 mM, 100% inhibition Umbellularia californica

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.002 0.003 dodecanoyl-[acyl-carrier protein]
-
Umbellularia californica

Metals/Ions

Metals/Ions Comment Organism Structure
NaCl optimal concentration: 20-40 mM Umbellularia californica
phosphate optimal concentration: 15-20 mM Umbellularia californica

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
34000
-
1 * 34000, SDS-PAGE Umbellularia californica
42000
-
gel filtration Umbellularia californica

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
dodecanoyl-[acyl-carrier protein] + H2O Umbellularia californica enzyme plays a major role in medium-chain fatty acid production [acyl-carrier protein] + dodecanoate
-
?

Organism

Organism UniProt Comment Textmining
Umbellularia californica
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Umbellularia californica

Source Tissue

Source Tissue Comment Organism Textmining
cotyledon immature Umbellularia californica
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
5.17
-
-
Umbellularia californica

Storage Stability

Storage Stability Organism
-70°C, stable Umbellularia californica

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
dodecanoyl-[acyl-carrier protein] + H2O
-
Umbellularia californica [acyl-carrier protein] + dodecanoate
-
?
dodecanoyl-[acyl-carrier protein] + H2O enzyme plays a major role in medium-chain fatty acid production Umbellularia californica [acyl-carrier protein] + dodecanoate
-
?

Subunits

Subunits Comment Organism
monomer 1 * 34000, SDS-PAGE Umbellularia californica

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
1
-
Mg2+
-
Umbellularia californica
1
-
Mn2+
-
Umbellularia californica
1
-
Ca2+
-
Umbellularia californica