1.1.1.294: chlorophyll(ide) b reductase
This is an abbreviated version!
For detailed information about chlorophyll(ide) b reductase, go to the full flat file.
Word Map on EC 1.1.1.294
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1.1.1.294
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stay-green
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oxygenase
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light-harvesting
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pheophorbide
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7-hydroxymethyl
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dark-induced
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thylakoids
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ryegrass
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lhcii
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lolium
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perenne
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perennial
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etioplasts
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grana
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pheophytinase
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pao
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chlorophyll-binding
- 1.1.1.294
-
stay-green
- oxygenase
-
light-harvesting
- pheophorbide
-
7-hydroxymethyl
-
dark-induced
-
thylakoids
-
ryegrass
- lhcii
-
lolium
-
perenne
-
perennial
- etioplasts
-
grana
-
pheophytinase
- pao
-
chlorophyll-binding
Reaction
Synonyms
BoNYC1, CBR, Chl b reductase, chlorophyll b reductase, chlorophyll(ide) b reductase, LpNYC1, More, NOL, NON-YELLOW COLORING 1, NON-YELLOW COLORING1, NYC-like, NYC1, NYC1-LIKE
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1.1.1.294 chlorophyll(ide) b reductaseAdvanced search results
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results (Substrates Products
Substrates Products on EC 1.1.1.294 - chlorophyll(ide) b reductase
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SUBSTRATE 
PRODUCT
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate)
(Substrate)
LITERATURE
(Substrate)
(Substrate)
COMMENTARY
(Product)
(Product)
LITERATURE
(Product)
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
r=reversible
ir=irreversible
?=not specified
chlorophyllide b + NAD(P)H + H+
71-hydroxychlorophyllide a + NAD(P)+
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r
zinc (132R)-pheophorbide b + NADPH + H+
?
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zinc (132S)-pheophorbide b is a better substrate than zinc (132R)-pheophorbide b
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?
zinc (132S)-pheophorbide b + NADPH + H+
?
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zinc (132S)-pheophorbide b is a better substrate than zinc (132R)-pheophorbide b
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?
additional information
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chlorophyll b reduction is considered to be an early and obligatory step of chlorophyll b breakdown
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?
71-hydroxychlorophyllide a + NADP+
chlorophyllide b + NADPH + H+
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-
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?
71-hydroxychlorophyllide a + NADP+
chlorophyllide b + NADPH + H+
chlorophyll b is important for LHCP stability, and no pigment-bound LHCP is detected in chlorophyll b-deficient mutants
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-
?
71-hydroxychlorophyllide a + NADP+
chlorophyllide b + NADPH + H+
the enzyme NYC1 is required for proper chloroplast degeneration, chlorophyll b is important for LHCP stability, and no pigment-bound LHCP is detected in chlorophyll b-deficient mutants
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?
chlorophyll b + NADPH
7-hydroxymethyl chlorophyll a + NADP+
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when purified trimeric photosystem II is incubated with recombinant chlorophyll b reductase (NOL), conversion of chlorophyll b in photosystem II to 7-hydroxymethyl chlorophyll a. Chlorophyll b reductase catalyzes the initial step of photosystem II degradation
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?
chlorophyll b + NADPH
7-hydroxymethyl chlorophyll a + NADP+
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catalyzed by recombinant NOL, whereas NYC1 protein alone shows no activity, but it is required for a functional chlorophyll b reductase
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?
chlorophyllide b + NADPH + H+
7-hydroxychlorophyllide a + NADP+
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?
