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CLH1 CLH1 PORC PORC SGR1 SGR1 PORB PORB DVR DVR CHLG CHLG PORA PORA HCAR HCAR RCCR RCCR NOL NOL NYC1 NYC1 SGRL SGRL PPH PPH PAO PAO CRD1 CRD1 CLH2 CLH2 CAO-2 CAO-2
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splice isoforms or post-translational modifications are collapsed, i.e. each node represents all the proteins produced by a single, protein-coding gene locus.
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query proteins and first shell of interactors
white nodes:
second shell of interactors
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proteins of unknown 3D structure
filled nodes:
a 3D structure is known or predicted
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experimentally determined
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CLH1Chlorophyllase-1; Catalyzes the hydrolysis of ester bond in chlorophyll to yield chlorophyllide and phytol. Shows a preferential activity toward chlorophyll a; Belongs to the AB hydrolase superfamily. Lipase family. (324 aa)
PORCProtochlorophyllide reductase C, chloroplastic; Phototransformation of protochlorophyllide (Pchlide) to chlorophyllide (Chlide). (401 aa)
SGR1Magnesium dechelatase SGR1, chloroplastic; Magnesium chelatase involved in chlorophyll a degradation in the chlorophyll-protein complexes of photosystem I (PSI) and photosystem II (PSII). Contributes to the degradation of PSI and PSII in the thylakoid membranes. Required to trigger chlorophyll degradation during natural and dark-induced leaf senescence (Probable). Mediates chlorophyll degradation during embryo degreening. Recombinant SGR1 possesses high dechelating activity against chlorophyll a, very low activity against chlorophyllide a, and no activity against chlorophyll b. Magnesi [...] (268 aa)
PORBProtochlorophyllide reductase B, chloroplastic; Phototransformation of protochlorophyllide (Pchlide) to chlorophyllide (Chlide); Belongs to the short-chain dehydrogenases/reductases (SDR) family. POR subfamily. (401 aa)
DVRDivinyl chlorophyllide a 8-vinyl-reductase, chloroplastic; Catalyzes the conversion of divinyl chlorophyllide to monovinyl chlorophyllide. Reduces the 8-vinyl group of the tetrapyrrole to an ethyl group using NADPH as the reductant. The best substrate is (3,8-divinyl)-chlorophyllide a (DV-Chlidea). Very low activity with (3,8-divinyl)-protochlorophyllide a (DV-Pchlidea) and (3,8-divinyl)- magnesium-protoporphyrin IX monomethyl ester (DV-MPE). No activity with (3,8-divinyl)-chlorophyllide b (DV-Chlideb), (3,8-divinyl)-magnesium- protoporphyrin IX (DV-Mg-Proto) and either (3,8-divinyl)-c [...] (417 aa)
CHLGChlorophyll synthase, chloroplastic; Involved in one of the last steps of the biosynthesis of chlorophyll a. Catalyzes the esterification of chlorophillide a or b with a preference for geranylgeranyldiphosphate (GGPP) rather than for phytyldiphosphate (PhyPP). (387 aa)
PORAProtochlorophyllide reductase A, chloroplastic; Phototransformation of protochlorophyllide (Pchlide) to chlorophyllide (Chlide). PORA may also function as a photoprotectant during the transitory stage from dark to light. Functions in skotomorphogenesis, photomorphogenesis and throughout the plant life under specific light conditions. (405 aa)
HCAR7-hydroxymethyl chlorophyll a reductase, chloroplastic; Probable iron-sulfur flavoprotein that converts 7- hydroxymethyl chlorophyll a to chlorophyll a using ferredoxin as a reducing equivalent. Catalyzes the reduction of a hydroxymethyl group to a methyl group. Belongs to the chlorophyll catabolic enzymes (CCEs). (462 aa)
RCCRRed chlorophyll catabolite reductase, chloroplastic; Catalyzes the key reaction of chlorophyll catabolism, porphyrin macrocycle cleavage of pheophorbide a (pheide a) to a primary fluorescent catabolite (pFCC). Works in a two-step reaction with pheophorbide a oxygenase (PaO) by reducing the C20/C1 double bond of the intermediate, RCC. Belongs to the chlorophyll catabolic enzymes (CCEs). (319 aa)
NOLChlorophyll(ide) b reductase NOL, chloroplastic; Required for chlorophyll b degradation. Chlorophyll b, chlorophyllide b, pheophorbide b and pheophytin b can be used as substrates. Belongs to the chlorophyll catabolic enzymes (CCEs). Belongs to the short-chain dehydrogenases/reductases (SDR) family. (348 aa)
NYC1Probable chlorophyll(ide) b reductase NYC1, chloroplastic; Involved in chlorophyll b degradation. Belongs to the chlorophyll catabolic enzymes (CCEs); Belongs to the short-chain dehydrogenases/reductases (SDR) family. (496 aa)
SGRLMagnesium dechelatase SGRL, chloroplastic; Magnesium chelatase involved in chlorophyll a degradation in the chlorophyll-protein complexes of photosystem I (PSI) and photosystem II (PSII). Contributes to the degradation of PSI and PSII in the thylakoid membranes. Recombinant SGRL possesses high dechelating activity against chlorophyllide a, very low activity against chlorophyll a, and no activity against chlorophyll b. Contributes to abiotic stress-induced chlorophyll degradation and leaf yellowing during vegetative plant growth. Belongs to the staygreen family. (260 aa)
PPHPheophytinase, chloroplastic; Alpha/beta hydrolase dephytylating specifically the Mg-free chlorophyll pigment (pheophytin), yielding pheophorbide. No activity on chlorophyll. Belongs to the chlorophyll catabolic enzymes (CCEs). (484 aa)
PAOPheophorbide a oxygenase, chloroplastic; Catalyzes the key reaction of chlorophyll catabolism, porphyrin macrocycle cleavage of pheophorbide a (pheide a) to a primary fluorescent catabolite (pFCC). Works in a two-step reaction with red chlorophyll catabolite reductase (RCCR). Creates the intermediate RCC through the opening of the porphyrin macrocycle by the introduction of one atom of molecular oxygen at the alpha-methine bridge. Seems to be specific for pheide a. Belongs to the chlorophyll catabolic enzymes (CCEs). (537 aa)
CRD1Magnesium-protoporphyrin IX monomethyl ester [oxidative] cyclase, chloroplastic; Catalyzes the formation of the isocyclic ring in chlorophyll biosynthesis. Mediates the cyclase reaction, which results in the formation of divinylprotochlorophyllide (Pchlide) characteristic of all chlorophylls from magnesium-protoporphyrin IX 13-monomethyl ester (MgPMME). (409 aa)
CLH2Chlorophyllase-2, chloroplastic; Catalyzes the hydrolysis of ester bond in chlorophyll to yield chlorophyllide and phytol. (318 aa)
CAO-2Chlorophyllide a oxygenase, chloroplastic; Catalyzes a two-step oxygenase reaction involved in the synthesis of chlorophyll b. Acts specifically on the non-esterified chlorophyllide a and not on chlorophyll a. (536 aa)
Your Current Organism:
Arabidopsis thaliana
NCBI taxonomy Id: 3702
Other names: A. thaliana, Arabidopsis thaliana (L.) Heynh., mouse-ear cress, thale cress, thale-cress
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