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Literature summary extracted from

  • Muehlecker, W.; Kraeutler, B.; Moser, D.; Matile, P.; Hoertensteiner, S.
    Breakdown of chlorophyll: A fluorescent chlorophyll catabolite from sweet pepper (Capsicum annuum) (2000), Helv. Chim. Acta, 83, 278-286.
No PubMed abstract available

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
1.3.7.12 chromoplast
-
 Capsicum annuum 9509
-

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
1.3.7.12 iron sulfur cluster
-
 Capsicum annuum
1.3.7.12 iron sulfur cluster
-
 Brassica napus

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.3.7.12 red chlorophyll catabolite + 2 reduced ferredoxin [iron-sulfur] cluster + 2 H+ Capsicum annuum
-
 primary fluorescent chlorophyll catabolite + 2 oxidized ferredoxin [iron-sulfur] cluster
-
 ?
1.3.7.12 red chlorophyll catabolite + 2 reduced ferredoxin [iron-sulfur] cluster + 2 H+ Brassica napus
-
 primary fluorescent chlorophyll catabolite + 2 oxidized ferredoxin [iron-sulfur] cluster
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
1.3.7.12 Brassica napus Q1ELT7
-
-
1.3.7.12 Capsicum annuum V5K6J8
-
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
1.3.7.12 cotyledon senescent, degreened Brassica napus
-
1.3.7.12 fruit
-
 Capsicum annuum
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.3.7.12 red chlorophyll catabolite + 2 reduced ferredoxin [iron-sulfur] cluster + 2 H+
-
 Capsicum annuum primary fluorescent chlorophyll catabolite + 2 oxidized ferredoxin [iron-sulfur] cluster
-
 ?
1.3.7.12 red chlorophyll catabolite + 2 reduced ferredoxin [iron-sulfur] cluster + 2 H+
-
 Brassica napus primary fluorescent chlorophyll catabolite + 2 oxidized ferredoxin [iron-sulfur] cluster
-
 ?
1.3.7.12 red chlorophyll catabolite + 2 reduced ferredoxin [iron-sulfur] cluster + 2 H+
-
 Capsicum annuum primary fluorescent chlorophyll catabolite + 2 oxidized ferredoxin [iron-sulfur] cluster i.e. Ca-pFCC-2, or 1-epi-FCC, or (1zeta,132R,17S,18S)-31,32-didehydro-1,4,5,10,17,18,20,22-octahydro-132-(methoxycarbonyl)-4,5-dioxo-4,5-secophytoporphyrin ?

Synonyms

EC Number Synonyms Comment Organism
1.3.7.12 RCCR
-
 Capsicum annuum
1.3.7.12 RCCR
-
 Brassica napus
1.3.7.12 red chlorophyll catabolite reductase
-
 Capsicum annuum
1.3.7.12 red chlorophyll catabolite reductase
-
 Brassica napus
1.3.7.12 red-chlorophyll-catabolite reductase
-
 Capsicum annuum
1.3.7.12 red-chlorophyll-catabolite reductase
-
 Brassica napus

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
1.3.7.12 7
-
 assay at Capsicum annuum

Cofactor

EC Number Cofactor Comment Organism Structure
1.3.7.12 Ferredoxin
-
 Capsicum annuum
1.3.7.12 Ferredoxin
-
 Brassica napus

General Information

EC Number General Information Comment Organism
1.3.7.12 evolution red chlorophyll catabolite reductases appear to represent a phylogenetically early addition to the chlorophyll catabolic pathway. Two types of red chlorophyll-catabolite reductases (RCCR), named RCCR-type 1 and RCCR-type 2, appear to have evolved in higher plants. Chlorophyll catabolism in higher plants differs remarkably from that in the green alga by the formation of FCCs and NCCs Capsicum annuum
1.3.7.12 evolution red chlorophyll catabolite reductases appear to represent a phylogenetically early addition to the chlorophyll catabolic pathway. Two types of red chlorophyll-catabolite reductases (RCCR), named RCCR-type 1 and RCCR-type 2, appear to have evolved in higher plants. Chlorophyll catabolism in higher plants differs remarkably from that in the green algae by the formation of FCCs and NCCs Brassica napus
1.3.7.12 metabolism in chlorophyll breakdown, the conversion of pheophorbide a to primary fluorescent chlorophyll catabolites is catalyzed by the joint action of the two enzymes PaO, a membrane-bound enzyme, and the soluble stroma enzyme RCCR. The former cleaves the porphyrin macrocycle oxidatively and produces a bound form of the intermediary catabolite (RCC), which seems to be reduced stereoselectively on the C20=C1 bond by the action of the reductase Capsicum annuum
1.3.7.12 metabolism in chlorophyll breakdown, the conversion of pheophorbide a to primary fluorescent chlorophyll catabolites is catalyzed by the joint action of the two enzymes PaO, a membrane-bound enzyme, and the soluble stroma enzyme RCCR. The former cleaves the porphyrin macrocycle oxidatively and produces a bound form of the intermediary catabolite (RCC), which seems to be reduced stereoselectively on the C20=C1 bond by the action of the reductase Brassica napus
1.3.7.12 additional information the primary fluorescent chlorophyll catabolite Ca-FCC-2 from sweet pepper, Capsicum annuum, chromoplasts has similar optical properties, but is slightly less polar than the primary FCC from senescent cotyledons of oilseed rape, Brassica napus, determination of structure and constitution by fast-atom-bombardment mass spectra and homo- and heteronuclear magnetic resonance experiments. Two-dimensional homonuclear spectra of Ca-FCC-2 reveals it to differ from pFCC by the configuration at the methine atom C1, whose configuration results from the action of red chlorophyll catabolite reductase, RCCR. Structure analysis, overview Capsicum annuum
1.3.7.12 additional information the primary fluorescent chlorophyll catabolite Ca-FCC-2 from sweet pepper, Capsicum annuum, chromoplasts has similar optical properties, but is slightly less polar than the primary FCC from senescent cotyledons of oilseed rape, Brassica napus, determination of structure and constitution by fast-atom-bombardment mass spectra and homo- and heteronuclear magnetic resonance experiments. Two-dimensional homonuclear spectra of Ca-FCC-2 reveals it to differ from pFCC by the configuration at the methine atom C1, whose configuration results from the action of red chlorophyll catabolite reductase, RCCR. Structure analysis, overview Brassica napus
1.3.7.12 physiological function a major goal of chlorophyll breakdown merely concerns the detoxification of the green plant pigment which may be destructive otherwise as a photosensitizer to the regulated processes that occur during senescence Capsicum annuum
1.3.7.12 physiological function a major goal of chlorophyll breakdown merely concerns the detoxification of the green plant pigment which may be destructive otherwise as a photosensitizer to the regulated processes that occur during senescence Brassica napus