Allantoate deiminase; Involved in the catabolism of purine nucleotides. Can use allantoate as substrate, but not Nalpha-carbamoyl-L-Asp, Nalpha- carbamoyl-L-Ala or Nalpha-carbamoyl-Gly. The sequential activity of AAH, UGLYAH and UAH allows a complete purine breakdown without the intermediate generation of urea.

Allantoinase; Catalyzes the conversion of allantoin (5-ureidohydantoin) to allantoate by hydrolytic cleavage of the five-member hydantoin ring. Catalyzes the first step of the ureide allantoin degradation followed by the sequential activity of AAH, UGLYAH and UAH which allows a complete purine breakdown without the intermediate generation of urea.

Allantoate deiminase; Involved in the catabolism of purine nucleotides. Can use allantoate as substrate, but not Nalpha-carbamoyl-L-Asp, Nalpha- carbamoyl-L-Ala or Nalpha-carbamoyl-Gly. The sequential activity of AAH, UGLYAH and UAH allows a complete purine breakdown without the intermediate generation of urea.

Uricase; Catalyzes the oxidation of uric acid to 5-hydroxyisourate, which is further processed to form (S)-allantoin; Belongs to the uricase family.

Allantoate deiminase; Involved in the catabolism of purine nucleotides. Can use allantoate as substrate, but not Nalpha-carbamoyl-L-Asp, Nalpha- carbamoyl-L-Ala or Nalpha-carbamoyl-Gly. The sequential activity of AAH, UGLYAH and UAH allows a complete purine breakdown without the intermediate generation of urea.

Ureide permease 1; Proton-coupled transporter that transports a wide spectrum of oxo derivatives of heterocyclic nitrogen compounds, including allantoin, uric acid and xanthine, but not adenine. Mediates high affinity transport of uracil and 5- fluorouracil (a toxic uracil analog). Mediates transport of free pyrimidines and may function during early seedling development in salvage pathways, by the utilization of pyrimidines from seed storage tissue. Belongs to the plant ureide permease (TC 2.A.7.19) family.

Allantoinase; Catalyzes the conversion of allantoin (5-ureidohydantoin) to allantoate by hydrolytic cleavage of the five-member hydantoin ring. Catalyzes the first step of the ureide allantoin degradation followed by the sequential activity of AAH, UGLYAH and UAH which allows a complete purine breakdown without the intermediate generation of urea.

Allantoate deiminase; Involved in the catabolism of purine nucleotides. Can use allantoate as substrate, but not Nalpha-carbamoyl-L-Asp, Nalpha- carbamoyl-L-Ala or Nalpha-carbamoyl-Gly. The sequential activity of AAH, UGLYAH and UAH allows a complete purine breakdown without the intermediate generation of urea.

Allantoinase; Catalyzes the conversion of allantoin (5-ureidohydantoin) to allantoate by hydrolytic cleavage of the five-member hydantoin ring. Catalyzes the first step of the ureide allantoin degradation followed by the sequential activity of AAH, UGLYAH and UAH which allows a complete purine breakdown without the intermediate generation of urea.

Uricase; Catalyzes the oxidation of uric acid to 5-hydroxyisourate, which is further processed to form (S)-allantoin; Belongs to the uricase family.

Allantoinase; Catalyzes the conversion of allantoin (5-ureidohydantoin) to allantoate by hydrolytic cleavage of the five-member hydantoin ring. Catalyzes the first step of the ureide allantoin degradation followed by the sequential activity of AAH, UGLYAH and UAH which allows a complete purine breakdown without the intermediate generation of urea.

Ureide permease 1; Proton-coupled transporter that transports a wide spectrum of oxo derivatives of heterocyclic nitrogen compounds, including allantoin, uric acid and xanthine, but not adenine. Mediates high affinity transport of uracil and 5- fluorouracil (a toxic uracil analog). Mediates transport of free pyrimidines and may function during early seedling development in salvage pathways, by the utilization of pyrimidines from seed storage tissue. Belongs to the plant ureide permease (TC 2.A.7.19) family.

L-ascorbate peroxidase 3; Plays a key role in hydrogen peroxide removal.

Glutathione S-transferase DHAR1, mitochondrial; Displays a dual function. As a soluble protein, exhibits glutathione-dependent thiol transferase and dehydroascorbate (DHA) reductase activities. Key component of the ascorbate recycling system. Involved in the redox homeostasis, especially in scavenging of ROS under oxidative stresses, subsequently to biotic or abiotic inducers. As a peripheral membrane protein, could also function as voltage-gated ion channel. Belongs to the GST superfamily. DHAR family.

L-ascorbate peroxidase 3; Plays a key role in hydrogen peroxide removal.

Glutathione S-transferase DHAR2; Displays a dual function. As a soluble protein, exhibits glutathione-dependent thiol transferase and dehydroascorbate (DHA) reductase activities. Exhibits glutathione-dependent thiol transferase and dehydroascorbate (DHA) reductase activities. Key component of the ascorbate recycling system. Involved in the redox homeostasis, especially in scavenging of ROS under oxidative stresses. Plays a role in ozone tolerance; Belongs to the GST superfamily. DHAR family.

L-ascorbate peroxidase 3; Plays a key role in hydrogen peroxide removal.

Glutathione reductase, chloroplastic; Maintains high levels of reduced glutathione in the chloroplast.

L-ascorbate peroxidase 3; Plays a key role in hydrogen peroxide removal.

Lactoylglutathione lyase GLX1; Catalyzes the conversion of hemimercaptal, formed from methylglyoxal and glutathione, to S-lactoylglutathione.

L-ascorbate peroxidase 3; Plays a key role in hydrogen peroxide removal.

Phospholipid hydroperoxide glutathione peroxidase 1, chloroplastic; Protects cells and enzymes from oxidative damage, by catalyzing the reduction of hydrogen peroxide, lipid peroxides and organic hydroperoxide, by glutathione.

L-ascorbate peroxidase 3; Plays a key role in hydrogen peroxide removal.

Probable glutathione peroxidase 2; May constitute a glutathione peroxidase-like protective system against oxidative stresses; Belongs to the glutathione peroxidase family.

L-ascorbate peroxidase 3; Plays a key role in hydrogen peroxide removal.

Probable glutathione peroxidase 3, mitochondrial; May constitute a glutathione peroxidase-like protective system against oxidative stresses. Involved positively in abscisic acid (ABA) signaling pathway that regulates numerous ABA responses, such as stomatal closure, seed germination and inhibition of vegetative growth. Oxidizes and represses target proteins (e.g. the phosphatase activity of ABI1 and ABI2) when oxidized by H(2)O(2), probably after ABA signaling. Modulates the calcium channel activity in guard cells in response to ABA or H(2)O(2). Confers tolerance to drought stress, by [...]

L-ascorbate peroxidase 3; Plays a key role in hydrogen peroxide removal.

Probable glutathione peroxidase 4; May constitute a glutathione peroxidase-like protective system against oxidative stresses; Belongs to the glutathione peroxidase family.

L-ascorbate peroxidase 3; Plays a key role in hydrogen peroxide removal.

Probable glutathione peroxidase 5; May constitute a glutathione peroxidase-like protective system against oxidative stresses.

L-ascorbate peroxidase 3; Plays a key role in hydrogen peroxide removal.

Probable phospholipid hydroperoxide glutathione peroxidase 6, mitochondrial; Protects cells and enzymes from oxidative damage, by catalyzing the reduction of hydrogen peroxide, lipid peroxides and organic hydroperoxide, by glutathione.

L-ascorbate peroxidase 3; Plays a key role in hydrogen peroxide removal.

Putative glutathione peroxidase 7, chloroplastic; May constitute a glutathione peroxidase-like protective system against oxidative stresses.

L-ascorbate peroxidase 3; Plays a key role in hydrogen peroxide removal.

Probable glutathione peroxidase 8; May constitute a glutathione peroxidase-like protective system against oxidative stresses; Belongs to the glutathione peroxidase family.

L-ascorbate peroxidase 3; Plays a key role in hydrogen peroxide removal.

Monodehydroascorbate reductase 3; Catalyzes the conversion of monodehydroascorbate to ascorbate, oxidizing NADH in the process. Required for producing sufficient ascorbate to maintain the interaction between Piriformospora indica and Arabidopsis in a mutualistic state.

Glutathione S-transferase DHAR1, mitochondrial; Displays a dual function. As a soluble protein, exhibits glutathione-dependent thiol transferase and dehydroascorbate (DHA) reductase activities. Key component of the ascorbate recycling system. Involved in the redox homeostasis, especially in scavenging of ROS under oxidative stresses, subsequently to biotic or abiotic inducers. As a peripheral membrane protein, could also function as voltage-gated ion channel. Belongs to the GST superfamily. DHAR family.

L-ascorbate peroxidase 3; Plays a key role in hydrogen peroxide removal.