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Literature summary for 1.8.1.B1 extracted from

  • Gupta, A.; Kesherwani, M.; Velmurugan, D.; Tripathi, T.
    Fasciola gigantica thioredoxin glutathione reductase Biochemical properties and structural modeling (2016), Int. J. Biol. Macromol., 89, 152-160 .
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expression in Escherichia coli Fasciola gigantica

Crystallization (Commentary)

Crystallization (Comment) Organism
modeled structure is a functional dimer, and contains a Grx domain (residues 21–83), a FAD/NADPH-binding domain or TrxR domain (residues 109–450) and a dimerization domain (residues 470–598) Fasciola gigantica

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.00434
-
5,5'-dithiobis(2-nitrobenzoic acid) pH 7.5, 25°C Fasciola gigantica

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
130000
-
gel filtration Fasciola gigantica

Organism

Organism UniProt Comment Textmining
Fasciola gigantica
-
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
5,5'-dithiobis(2-nitrobenzoic acid) + NADPH + H+
-
Fasciola gigantica 2-nitro-5-thiobenzoate + NADP+
-
?
glutathione disulfide + NADPH + H+ enzyme displays hysteretic behavior Fasciola gigantica 2 glutathione + NADP+
-
?
oxidized insulin + NADPH + H+
-
Fasciola gigantica reduced insulin + NADP+
-
?

Subunits

Subunits Comment Organism
dimer 2 * 66000, calculated and SDS-PAGE Fasciola gigantica

Cofactor

Cofactor Comment Organism Structure
FAD the flavin ring of FAD cofactor binds in a hydrophobic cleft formed by Cys154, Val157, Gly158, Cys159, Pro572, Phe474, and Pro443 Fasciola gigantica
NADPH nicotinamide moiety binds up in the hydrophobic cleft formed by Val348, Ile266, Pro264,Val292, Met315, Val316, and Pro349, etc. and the diphosphate forms H-bond with Ile391, Ser318, and Arg317. The ribose sugar formes H-bonds with Arg262, Arg322, and Tyr296 Fasciola gigantica

pI Value

Organism Comment pI Value Maximum pI Value
Fasciola gigantica calculated
-
6.3