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Literature summary extracted from

  • Blot, N.; Wu, X.J.; Thomas, J.C.; Zhang, J.; Garczarek, L.; Boehm, S.; Tu, J.M.; Zhou, M.; Ploescher, M.; Eichacker, L.; Partensky, F.; Scheer, H.; Zhao, K.H.
    Phycourobilin in trichromatic phycocyanin from oceanic cyanobacteria is formed post-translationally by a phycoerythrobilin lyase-isomerase (2009), J. Biol. Chem., 284, 9290-9298.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

EC Number Cloned (Comment) Organism
4.4.1.31 expression in Escherichia coli Synechococcus sp.
4.4.1.31 expression in Escherichia coli Nostoc sp.
4.4.1.33
-
 Synechococcus sp.

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
4.4.1.33 apo-[R-phycocyanin alpha-subunit] + (3E)-phycoerythrobilin Synechococcus sp. the blue-green absorbing phycourobilin (max 495 nm) is the major phycobilin of cyanobacteria living in oceanic areas where blue light penetrates deeply into the water column [R-phycocyanin alpha-subunit]-Cys84-phycourobilin
-
 ?
4.4.1.33 apo-[R-phycocyanin alpha-subunit] + (3E)-phycoerythrobilin Synechococcus sp. WH8102 the blue-green absorbing phycourobilin (max 495 nm) is the major phycobilin of cyanobacteria living in oceanic areas where blue light penetrates deeply into the water column [R-phycocyanin alpha-subunit]-Cys84-phycourobilin
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
4.4.1.31 Nostoc sp. P35791 subunit PecE
-
4.4.1.31 Nostoc sp. PCC 7120 P35791 subunit PecE
-
4.4.1.31 Synechococcus sp.
-
-
-
4.4.1.31 Synechococcus sp. WH8102
-
-
-
4.4.1.33 Synechococcus sp.
-
-
-
4.4.1.33 Synechococcus sp. WH8102
-
-
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4.4.1.31 apo-[phycocyanin alpha-subunit R-PC V] + phycocyanobilin
-
 Synechococcus sp. [phycocyanin alpha-subunit R-PC V]-Cys84-phycoviolobilin
-
 ?
4.4.1.31 apo-[phycocyanin alpha-subunit R-PC V] + phycocyanobilin
-
 Synechococcus sp. WH8102 [phycocyanin alpha-subunit R-PC V]-Cys84-phycoviolobilin
-
 ?
4.4.1.31 apo-[phycocyanin alpha-subunit R-PC V] + phycoerythrobilin
-
 Synechococcus sp. [phycocyanin alpha-subunit R-PC V]-Cys84-phycourobilin enzyme catalyzes binding of the green-absorbing phycoerythrobilin at cysteine84 with concomitant isomerization to phycourobilin ?
4.4.1.31 apo-[phycocyanin alpha-subunit R-PC V] + phycoerythrobilin
-
 Synechococcus sp. WH8102 [phycocyanin alpha-subunit R-PC V]-Cys84-phycourobilin enzyme catalyzes binding of the green-absorbing phycoerythrobilin at cysteine84 with concomitant isomerization to phycourobilin ?
4.4.1.31 apo-[phycoerythrocyanin alpha-subunit PecA] + phycocyanobilin
-
 Synechococcus sp. [phycoerythrocyanin alpha-subunit PecA]-Cys84-phycoviolobilin
-
 ?
4.4.1.31 apo-[phycoerythrocyanin alpha-subunit PecA] + phycocyanobilin
-
 Synechococcus sp. WH8102 [phycoerythrocyanin alpha-subunit PecA]-Cys84-phycoviolobilin
-
 ?
4.4.1.31 apo-[phycoerythrocyanin alpha-subunit PecA] + phycoerythrobilin
-
 Nostoc sp. [phycoerythrocyanin alpha-subunit PecA]-Cys84-phycourobilin enzyme catalyzes binding of the phycoerythrobilin at cysteine 84 with concomitant isomerization to phycourobilin ?
4.4.1.31 apo-[phycoerythrocyanin alpha-subunit PecA] + phycoerythrobilin
-
 Nostoc sp. PCC 7120 [phycoerythrocyanin alpha-subunit PecA]-Cys84-phycourobilin enzyme catalyzes binding of the phycoerythrobilin at cysteine 84 with concomitant isomerization to phycourobilin ?
4.4.1.33 apo-[R-phycocyanin alpha-subunit] + (3E)-phycoerythrobilin the blue-green absorbing phycourobilin (max 495 nm) is the major phycobilin of cyanobacteria living in oceanic areas where blue light penetrates deeply into the water column Synechococcus sp. [R-phycocyanin alpha-subunit]-Cys84-phycourobilin
-
 ?
4.4.1.33 apo-[R-phycocyanin alpha-subunit] + (3E)-phycoerythrobilin the enzyme catalyses the covalent attachment of the phycobilin chromophore phycoerythrobilin to cysteine 84 of the alpha subunit of the phycobiliprotein R-phycocyanin and its isomerization to phycourobilin Synechococcus sp. [R-phycocyanin alpha-subunit]-Cys84-phycourobilin
-
 ?
4.4.1.33 apo-[R-phycocyanin alpha-subunit] + (3E)-phycoerythrobilin the blue-green absorbing phycourobilin (max 495 nm) is the major phycobilin of cyanobacteria living in oceanic areas where blue light penetrates deeply into the water column Synechococcus sp. WH8102 [R-phycocyanin alpha-subunit]-Cys84-phycourobilin
-
 ?
4.4.1.33 apo-[R-phycocyanin alpha-subunit] + (3E)-phycoerythrobilin the enzyme catalyses the covalent attachment of the phycobilin chromophore phycoerythrobilin to cysteine 84 of the alpha subunit of the phycobiliprotein R-phycocyanin and its isomerization to phycourobilin Synechococcus sp. WH8102 [R-phycocyanin alpha-subunit]-Cys84-phycourobilin
-
 ?
4.4.1.33 apo-[R-phycoerythrocyanin alpha-subunit] + phycocyanobilin the enzyme does not use phycocyanobilin in natural conditions because no phycoviolobilin is observed in Synechococcus sp. WH8102 or any other rpcG-containing strain Synechococcus sp. [R-phycocyanin alpha-subunit]-Cys84-phycoviolobilin
-
 ?

Subunits

EC Number Subunits Comment Organism
4.4.1.33 monomer
-
 Synechococcus sp.

Synonyms

EC Number Synonyms Comment Organism
4.4.1.31 PecE/F
-
 Nostoc sp.
4.4.1.31 RpcG
-
 Synechococcus sp.
4.4.1.33 RpcG
-
 Synechococcus sp.