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Literature summary for 2.5.1.18 extracted from

  • Wan, Q.; Whang, I.; Lee, J.
    Molecular cloning and characterization of three sigma glutathione S-transferases from disk abalone (Haliotis discus discus) (2008), Comp. Biochem. Physiol. B, 151, 257-267.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
aroclor-1254 induces expression of isozyme GSTS1, but not GSTS2 and GSTS3 Haliotis discus
beta-naphthoflavone induces expression of isozyme GSTS1, but not GSTS2 and GSTS3 Haliotis discus
additional information beta-naphthoflavone, aroclor-1254, and tributyltin chloride do not induce expression of isozyme GSTS2 Haliotis discus
additional information beta-naphthoflavone, aroclor-1254, and tributyltin chloride do not induce expression of isozyme GSTS3 Haliotis discus

Cloned(Commentary)

Cloned (Comment) Organism
expressed in Escherichia coli K12 (Tb1) cells as soluble fusion protein Haliotis discus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
23000
-
isozyme GSTS1, calculated from amino acid sequence Haliotis discus
23000
-
isozyme GSTS3, calculated from amino acid sequence Haliotis discus
23100
-
isozyme GSTS2, calculated from amino acid sequence Haliotis discus
65000
-
recombinant His-tagged enzyme, SDS-PAGE Haliotis discus

Organism

Organism UniProt Comment Textmining
Haliotis discus B6RB00 isozyme GSTS1; disk abalone, subspecies Haliotis discus discus
-
Haliotis discus B6RB01 isozyme GSTS2; disk abalone, subspecies Haliotis discus discus
-
Haliotis discus B6RB02 isozyme GSTS3; disk abalone, subspecies Haliotis discus discus
-

Purification (Commentary)

Purification (Comment) Organism
maltose-affinity amylose column chromatography Haliotis discus

Source Tissue

Source Tissue Comment Organism Textmining
alimentary canal
-
Haliotis discus
-
eye
-
Haliotis discus
-
eyestalk
-
Haliotis discus
-
foot
-
Haliotis discus
-
gill
-
Haliotis discus
-
gonad
-
Haliotis discus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.17
-
isozyme GSTS1, using 1-chloro-2,4-dinitrobenzene as a substrate, at 25°C Haliotis discus
0.18
-
isozyme GSTS1, using ethacrynic acid as a substrate, at 25°C Haliotis discus
0.25
-
isozyme GSTS2, using ethacrynic acid as a substrate, at 25°C Haliotis discus
1.06
-
isozyme GSTS2, using 1-chloro-2,4-dinitrobenzene as a substrate, at 25°C Haliotis discus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
glutathione + 1-chloro-2,4-dinitrobenzene
-
Haliotis discus S-(2,4-dinitrophenyl)glutathione + HCl
-
?
glutathione + ethacrynic acid
-
Haliotis discus ?
-
?
additional information no activity with 1,2-dichloro-4-nitrobenzene, 4-nitrobenzyl chloride, and 4-nitrophenethyl bromide Haliotis discus ?
-
?

Synonyms

Synonyms Comment Organism
GSTS1 sigma class isozyme Haliotis discus
GSTS2 sigma class isozyme Haliotis discus
GSTS3 non-enzymatic GST Haliotis discus
sigma glutathione S-transferase
-
Haliotis discus

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
20 45 isozyme GSTS2 Haliotis discus
30 40 isozyme GSTS1 Haliotis discus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8 9 isozyme GSTS1 Haliotis discus
8 9 isozyme GSTS2 Haliotis discus