Protein
Phycocyanobilin lyase subunit CpcS
Organism
Synechococcus sp. (strain ATCC 27264 / PCC 7002 / PR-6)
Function
Attaches a phycocyanobilin (PCB) chromophore to 'Cys-82' of the C-phycocyanain beta subunit (PhcB) and the unique PCB that is attached to allophycocyanin alpha and beta subunits (ApcA and ApcB). In vitro, and probably also in vivo, chromophorylates ApcD and ApcF.
Similarity
Belongs to the CpcS/CpeS biliprotein lyase family.
Sequence
MQSFADAKEFFQYSAGQWQSRRVTHHLPFRRAESGGSNIQVETLEKDDPRIIEICQMHDMDASLSVGGSYVTWAGTMQWDKDDENHEGSTVFALIPDADNPRQGKLLRERGYAEIVPVAGEYHLDHEDGLVLTTEYETMTIYERFWFANPDLRLRTSTVKRFGGFNTTTFCMEERIQTSPVTATAAAETNPLYAISGW