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Information on EC 1.2.1.70 - glutamyl-tRNA reductase and Organism(s) Chlorobaculum parvum and UniProt Accession P28462

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IUBMB Comments
This enzyme forms part of the pathway for the biosynthesis of 5-aminolevulinate from glutamate, known as the C5 pathway. The route shown in the diagram is used in most eubacteria, and in all archaebacteria, algae and plants. However, in the alpha-proteobacteria, EC 2.3.1.37, 5-aminolevulinate synthase, is used in an alternative route to produce the product 5-aminolevulinate from succinyl-CoA and glycine. This route is found in the mitochondria of fungi and animals, organelles that are considered to be derived from an endosymbiotic alpha-proteobacterium. Although higher plants do not possess EC 2.3.1.37, the protistan Euglena gracilis possesses both the C5 pathway and EC 2.3.1.37.
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Chlorobaculum parvum
UNIPROT: P28462
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The taxonomic range for the selected organisms is: Chlorobaculum parvum
The expected taxonomic range for this enzyme is: Bacteria, Eukaryota, Archaea
Synonyms
glutamyl-trna reductase, glutr, hema1, hema2, glutr1, athema1, more
SYSTEMATIC NAME
IUBMB Comments
L-glutamate-semialdehyde:NADP+ oxidoreductase (L-glutamyl-tRNAGlu-forming)
This enzyme forms part of the pathway for the biosynthesis of 5-aminolevulinate from glutamate, known as the C5 pathway. The route shown in the diagram is used in most eubacteria, and in all archaebacteria, algae and plants. However, in the alpha-proteobacteria, EC 2.3.1.37, 5-aminolevulinate synthase, is used in an alternative route to produce the product 5-aminolevulinate from succinyl-CoA and glycine. This route is found in the mitochondria of fungi and animals, organelles that are considered to be derived from an endosymbiotic alpha-proteobacterium. Although higher plants do not possess EC 2.3.1.37, the protistan Euglena gracilis possesses both the C5 pathway and EC 2.3.1.37.
CAS REGISTRY NUMBER
COMMENTARY hide
119940-26-0
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