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Literature summary for 1.6.1.2 extracted from

  • Kaemaeraeinen, J.; Huokko, T.; Kreula, S.; Jones, P.R.; Aro, E.M.; Kallio, P.
    Pyridine nucleotide transhydrogenase PntAB is essential for optimal growth and photosynthetic integrity under low-light mixotrophic conditions in Synechocystis sp. PCC 6803 (2017), New Phytol., 214, 194-204 .
    View publication on PubMed
Search for more literature for 1.6.1.2

Localization

Localization Comment Organism GeneOntology No. Textmining
thylakoid membrane
-
 Synechocystis sp. 42651
-

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
NADPH + NAD+ Synechocystis sp.
-
 NADP+ + NADH
-
 ?

Organism

Organism UniProt Comment Textmining
Synechocystis sp.
-
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
NADPH + NAD+
-
 Synechocystis sp. NADP+ + NADH
-
 ?

Subunits

Subunits Comment Organism
? x * 56000, alpha-subunit, SDS-PAGE Synechocystis sp.

Synonyms

Synonyms Comment Organism
PntAB
-
 Synechocystis sp.
pyridine nucleotide transhydrogenase
-
 Synechocystis sp.

General Information

General Information Comment Organism
malfunction gene disruption of pntA results in phenotypic growth defects observed under low light intensities in the presence of glucose, whereas under autotrophic conditions the mutant does not differ from the wild type strain Synechocystis sp.
physiological function the enzyme activity in Synechocystis is directly linked to mixotrophic growth, implicating that under these conditions the enzyme functions to balance the NADH:NADPH equilibrium specifically in the direction of NADPH Synechocystis sp.