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ENZYME entry: EC

Accepted Name
C-phycoerythrin alpha-cysteine-82 phycoerythrobilin lyase.
Reaction catalysed
phycoerythrobilin-L-cysteinyl(82)-[C-phycoerythrin alpha-subunit] <=> (2R,3E)-phycoerythrobilin + apo-L-cysteinyl(82)-[C-phycoerythrin alpha-subunit]
  • The enzyme, characterized from the cyanobacterium Microchaete diplosiphon, catalyzes the attachment of the phycobilin chromophore (3E)-phycoerythrobilin (PEB) to cysteine 82 of the alpha subunit of the phycobiliprotein C-phycoerythrin.
  • The numbering used here corresponds to the enzyme from Microchaete diplosiphon, and could vary slightly in other organisms.
  • Activity is greatly enhanced in the presence of the chaperone-like protein CpeZ.
  • The reaction could also be catalyzed by EC, but much less efficiently.
PRIAM enzyme-specific profiles4.4.1.39
KEGG Ligand Database for Enzyme Nomenclature4.4.1.39
IUBMB Enzyme Nomenclature4.4.1.39
MEDLINEFind literature relating to
Rhea expert-curated reactions4.4.1.39

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