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Literature summary extracted from

  • Wegener, K.M.; Nagarajan, A.; Pakrasi, H.B.
    An atypical psbA gene encodes a sentinel D1 protein to form a physiologically relevant inactive photosystem II complex in cyanobacteria (2015), J. Biol. Chem., 290, 3764-3774.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

EC Number Cloned (Comment) Organism
3.4.21.102 expression in the non-nitrogen-fixing cyanobacterium Synechocystis sp. PCC 6803 Crocosphaera subtropica ATCC 51142

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining

Organism

EC Number Organism UniProt Comment Textmining
3.4.21.102 Crocosphaera subtropica ATCC 51142 B1WZS6
-
-

Synonyms

EC Number Synonyms Comment Organism
3.4.21.102 photosystem II protein D1
-
 Crocosphaera subtropica ATCC 51142
3.4.21.102 PsbA4
-
 Crocosphaera subtropica ATCC 51142

Expression

EC Number Organism Comment Expression
3.4.21.102 Crocosphaera subtropica ATCC 51142 isoform cPsbA4 is exclusively expressed during nighttime additional information

General Information

EC Number General Information Comment Organism
3.4.21.102 physiological function heterologous expression in the 4E-3 mutant strain of the model non-nitrogen-fixing cyanobacterium Synechocystis sp. PCC 6803, which lacks any psbA gene. The resultant strain cannot grow photoautotrophically. These Synechocystis 6803 cells are incapable of PSII-mediated oxygen evolution. This D1 isoform, sentinel D1, represents a class of D1 protein that, when incorporated in a PSII complex, ensures that PSII cannot mediate water oxidation, thus allowing oxygen-sensitive processes such as nitrogen fixation to occur in cyanobacterial cells Crocosphaera subtropica ATCC 51142