... , or monovinyl protochlorophyllide, is an intermediate in the biosynthesis of chlorophyll a. It lacks the ... Protochlorophyllide, however, occurs mostly in the free form and, under light conditions, acts as a photosensitizer, forming ... Plants that are fed by ALA accumulate high and toxic levels of protochlorophyllide, as do mutants with a disrupted regulatory ... In spite of numerous past attempts to find the mutant that overacumulates protochlorophyllide under usual conditions, only one ...
NADPH-protochlorophyllide reductase, protochlorophyllide oxidoreductase, and protochlorophyllide photooxidoreductase. LPOR is ... In enzymology, protochlorophyllide reductases (POR) are enzymes that catalyze the conversion from protochlorophyllide to ... Other names in common use include light-independent protochlorophyllide reductase and dark-operative protochlorophyllide ... Other names in common use include NADPH2-protochlorophyllide oxidoreductase, NADPH-protochlorophyllide oxidoreductase, ...
They are related to protochlorophyllide reductase. Although the equilibrium formation of ammonia from molecular hydrogen and ... subunits of the light-independent version of protochlorophyllide reductase that performs the conversion of protochlorophyllide ... "Chloroplast-encoded chlB is required for light-independent protochlorophyllide reductase activity in Chlamydomonas reinhardtii ...
Protochlorophyllide is a strong photosensitizer in plants. Controlled spraying of 5-ALA at lower doses (up to 150 mg/L) can ... Plants that are fed by external 5-ALA accumulate toxic amounts of chlorophyll precursor, protochlorophyllide, indicating that ... Kotzabasis K, Senger H (1990). "The influence of 5-aminolevulinic acid on protochlorophyllide and protochlorophyll accumulation ...
Conversion of divinyl protochlorophyllide to monovinyl protochlorophyllide in green(ing) barley, a dark monovinyl/light divinyl ... Other names in common use include 3,8-divinyl protochlorophyllide a 8-vinyl-reductase, [4-vinyl]chlorophyllide a reductase, and ... protochlorophyllide + NADP+ The three substrates of this enzyme are 3,8-divinylprotochlorophyllide, NADPH, and H+; its two ... products are protochlorophyllide and NADP+. This enzyme can also convert alternative substrates, for example 3,8-divinyl ...
Protochlorophyllide, one of the biosynthetic intermediates, occurs mostly in the free form and, under light conditions, acts as ... Plants that are fed by ALA accumulate high and toxic levels of protochlorophyllide; so do the mutants with a damaged regulatory ... "X-ray crystal structure of the light-independent protochlorophyllide reductase". Nature. 465 (7294): 110-4. Bibcode:2010Natur. ...
Apel, Klaus; Santel, Hans-Joachim; Redlinger, Tom E.; Falk, Heinz (2005). "The Protochlorophyllide Holochrome of Barley ( ... The enzyme divinyl chlorophyllide a 8-vinyl-reductase converts 3,8-divinylprotochlorophyllide to protochlorophyllide in ... the reaction EC 1.3.1.33 in which the pyrrole ring D is reduced by the enzyme protochlorophyllide reductase protochlorophyllide ... protochlorophyllide reductase (ATP-dependent), that uses reduced ferredoxin as its cofactor and is not dependent on light; it ...
Others photoenzymes examples include flavin‐dependent DNA‐repair enzyme and protochlorophyllide oxidoreductases. The ...
Protochlorophyllide a, as its name suggests, is a chemical precursor of chlorophyll. The most studied of the photoreceptors in ... Plants use four kinds of photoreceptors: phytochrome, cryptochrome, a UV-B photoreceptor, and protochlorophyllide a. The first ...
Every PLB contains protochlorophyllide which is rapidly converted into chlorophyllide by the enzyme protochlorophyllide ... Due to the higher presence of carotenoids than protochlorophyllide, etiolated leaves appear pale yellow instead of just white. ...
ArsA proteins are homologous to nitrogenase iron (NifH) proteins 2 of bacteria and to protochlorophyllide reductase iron sulfur ...
... protochlorophyllide MeSH D03.383.129.578.840.500.640.587 - heme MeSH D03.383.129.578.840.500.640.587.462 - hemin MeSH D03.383. ... protochlorophyllide MeSH D03.383.129.578.840.437 - corrinoids MeSH D03.383.129.578.840.437.777 - vitamin b 12 MeSH D03.383. ... protochlorophyllide MeSH D03.549.909.437 - corrinoids MeSH D03.549.909.437.777 - vitamin b 12 MeSH D03.549.909.437.777.270 - ... protochlorophyllide MeSH D03.549.909.500.640.587 - heme MeSH D03.549.909.500.640.587.462 - hemin MeSH D03.549.909.500.700 - ...
... protochlorophyllide reductase (ATP-dependent) EC 1.3.7.8: benzoyl-CoA reductase EC 1.3.7.9: 4-hydroxybenzoyl-CoA reductase EC ... protochlorophyllide reductase EC 1.3.1.34: 2,4-dienoyl-CoA reductase (NADPH),2,4-dienoyl-CoA reductase [(2E)-enoyl-CoA- ... 8-divinyl protochlorophyllide a 8-vinyl-reductase (NADPH) EC 1.3.1.76: precorrin-2 dehydrogenase EC 1.3.1.77: anthocyanidin ...
... protochlorophyllide MeSH D23.767.727.640.587 - heme MeSH D23.767.727.640.587.462 - hemin MeSH D23.767.727.700 - porphyrinogens ... protochlorophyllide MeSH D23.767.727.250 - coproporphyrins MeSH D23.767.727.280 - deuteroporphyrins MeSH D23.767.727.340 - ...
... protochlorophyllide MeSH D04.345.783.437 - corrinoids MeSH D04.345.783.437.777 - vitamin b 12 MeSH D04.345.783.437.777.270 - ... protochlorophyllide MeSH D04.345.783.500.640.587 - heme MeSH D04.345.783.500.640.587.462 - hemin MeSH D04.345.783.500.700 - ...