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Literature summary for 1.2.1.70 extracted from

  • Vothknecht, U.C.; Kannangara, C.G.; von Wettstein, D.
    Barley glutamyl tRNAGlu reductase: mutations affecting haem inhibition and enzyme activity (1998), Phytochemistry, 47, 513-519.
    View publication on PubMed

Protein Variants

Protein Variants Comment Organism
I318L/R322G/N454D mutant enzyme with greatly reduced activity Hordeum vulgare
I464P mutant enzyme with greatly reduced activity Hordeum vulgare
L387H/L302S mutant enzyme with greatly reduced activity Hordeum vulgare
M122K/K154N/F371L/E400K mutant enzyme with greatly reduced activity Hordeum vulgare
additional information a 30 amino acid N-terminal deletion has no detrimental effect on the catalytic activity of the enzyme Hordeum vulgare

Inhibitors

Inhibitors Comment Organism Structure
heme 0.002 mM, 63% inhibition of non-truncated enzyme Hordeum vulgare

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
L-glutamyl-tRNAGlu + NADPH + H+ Hordeum vulgare
-
L-glutamate 1-semialdehyde + NADP+ + tRNAGlu
-
?

Organism

Organism UniProt Comment Textmining
Hordeum vulgare
-
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-glutamyl-tRNAGlu + NADPH + H+
-
Hordeum vulgare L-glutamate 1-semialdehyde + NADP+ + tRNAGlu
-
?

Cofactor

Cofactor Comment Organism Structure
NADPH
-
Hordeum vulgare