CpeS-ProHL subfamily


This subfamily contains only the sequences of Prochlorococcus marinus HL ecotypes. CpeS sequence is the sole phycobilin lyase present in these genomes and was biochemically characterized in strain MED4 as a PEB:Cys-82 beta-PEIII (PpeB) lyase (Wiethaus et al., 2010). PpeB is also the sole PBP present in this (and other Prochlorococcus HL) strain.


  • Tu et al., 2009. Toward a mechanism for biliprotein lyases: revisiting nucleophilic addition to phycocyanobilin J Am Chem Soc, 131, 5399-5401.
  • Wiethaus et al., 2010. CpeS is a lyase specific for attachment of 3Z-PEB to Cys82 of {beta}-phycoerythrin from Prochlorococcus marinus MED4 J Biol Chem, 285, 37561-37569.

Showing only unsure genes

Gene Locus tag Genbank Species Strain PBP in rods Pigment type Remark Length Last change

Model strain Model strains, Marine strains

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