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Comparative Study
. 1993 Jul;22(4):725-9.
doi: 10.1007/BF00047415.

Homology of the N-terminal domain of the petH gene product from Anabaena sp. PCC 7119 to the CpcD phycobilisome linker polypeptide

M F Fillat  1 , E Flores, C Gómez-Moreno
Affiliations
Comparative Study

Homology of the N-terminal domain of the petH gene product from Anabaena sp. PCC 7119 to the CpcD phycobilisome linker polypeptide

M F Fillat et al. Plant Mol Biol. 1993 Jul.

Abstract

The complete nucleotide sequence of the petH gene encoding ferredoxin-NADP+ reductase from the nitrogen-fixing cyanobacterium Anabaena sp. PCC 7119 has been determined. The encoded polypeptide is 136 amino acids longer than the enzyme obtained after purification to homogeneity. The extended N-terminal domain consists of 80 amino acids which shows homology to the CpcD phycobilisome linker polypeptide, through which FNR might be anchored to the thylakoid-bound phycobilisomes. A 56 amino acid interdomain fragment is found which could be a target for proteolysis.

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