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ACD1 ACD1 PPH PPH ACD2 ACD2 HCAR HCAR NYC1 NYC1 NYE1 NYE1 CLH2 CLH2 NOL NOL PCB2 PCB2 CLH1 CLH1 G4 G4
"HCAR" - Coenzyme F420 hydrogenase beta subunit in Arabidopsis thaliana
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experimentally determined
Predicted Interactions
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gene co-occurrence
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textmining
co-expression
protein homology
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HCARCoenzyme F420 hydrogenase beta subunit; 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)    
Predicted Functional Partners:
NYC1
NON-YELLOW COLORING 1; Involved in chlorophyll b degradation. Belongs to the chlorophyll catabolic enzymes (CCEs) (496 aa)
     
  0.992
NOL
NYC1-like; 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) (348 aa)
     
  0.989
CLH1
Chlorophyllase 1; Catalyzes the hydrolysis of ester bond in chlorophyll to yield chlorophyllide and phytol. Shows a preferential activity toward chlorophyll a (324 aa)
         
  0.965
G4
Chlorophyll synthase; 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)
   
 
  0.945
CLH2
Chlorophyllase 2; Catalyzes the hydrolysis of ester bond in chlorophyll to yield chlorophyllide and phytol (318 aa)
         
  0.942
ACD1
ACCELERATED CELL DEATH 1; 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)
       
 
  0.854
ACD2
ACCELERATED CELL DEATH 2; 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)
       
 
  0.835
NYE1
NON-YELLOWING 1; Involved in the disassembling mechanism of the intact light-harvesting complex of photosystem II (LHCII) in the thylakoid membranes. Required to trigger chlorophyll degradation during natural and dark-induced leaf senescence. Regulated at the transcriptional level by ABI3 (268 aa)
       
 
  0.831
PCB2
PALE-GREEN AND CHLOROPHYLL B REDUCED 2; 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)-chlorophyll a (DV-Ch [...] (417 aa)
           
  0.785
PPH
Pheophytinase; 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)
   
     
  0.730
Your Current Organism:
Arabidopsis thaliana
NCBI taxonomy Id: 3702
Other names: A. thaliana, Arabidopsis thaliana, Arabidopsis thaliana (L.) Heynh., mouse-ear cress, thale cress, thale-cress
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