Probable E3 ubiquitin-protein ligase ARI12; Might act as an E3 ubiquitin-protein ligase, or as part of E3 complex, which accepts ubiquitin from specific E2 ubiquitin-conjugating enzymes and then transfers it to substrates; Belongs to the RBR family. Ariadne subfamily.

E3 ubiquitin-protein ligase COP1; E3 ubiquitin-protein ligase that acts as a repressor of photomorphogenesis and as an activator of etiolation in darkness. E3 ubiquitin ligases accept ubiquitin from an E2 ubiquitin-conjugating enzyme in the form of a thioester and then directly transfers the ubiquitin to targeted substrates. Represses photomorphogenesis in darkness by mediating ubiquitination and subsequent proteasomal degradation of light-induced transcription factors such as HY5, HYH and LAF1. Down-regulates MYB21, probably via ubiquitination process. Light stimuli abrogate the repre [...]

Probable E3 ubiquitin-protein ligase ARI12; Might act as an E3 ubiquitin-protein ligase, or as part of E3 complex, which accepts ubiquitin from specific E2 ubiquitin-conjugating enzymes and then transfers it to substrates; Belongs to the RBR family. Ariadne subfamily.

Transducin family protein / WD-40 repeat family protein.

Probable E3 ubiquitin-protein ligase ARI12; Might act as an E3 ubiquitin-protein ligase, or as part of E3 complex, which accepts ubiquitin from specific E2 ubiquitin-conjugating enzymes and then transfers it to substrates; Belongs to the RBR family. Ariadne subfamily.

Transcription factor HY5; Transcription factor that promotes photomorphogenesis in light. Acts downstream of the light receptor network and directly affects transcription of light-induced genes. Specifically involved in the blue light specific pathway, suggesting that it participates in transmission of cryptochromes (CRY1 and CRY2) signals to downstream responses. In darkness, its degradation prevents the activation of light-induced genes (Probable). Acts coordinately with SPL7 to regulate the microRNA miR408 and its target genes in response to changes in light and copper conditions. R [...]

Probable E3 ubiquitin-protein ligase ARI12; Might act as an E3 ubiquitin-protein ligase, or as part of E3 complex, which accepts ubiquitin from specific E2 ubiquitin-conjugating enzymes and then transfers it to substrates; Belongs to the RBR family. Ariadne subfamily.

Transcription factor HY5-like; Transcription factor that promotes photomorphogenesis in light. Acts downstream of the light receptor network and directly affects transcription of light-induced genes. Specifically involved in the blue light specific pathway, suggesting that it participates in transmission of cryptochromes (CRY1 and CRY2) signals to downstream responses. In darkness, its degradation prevents the activation of light-induced genes; Belongs to the bZIP family.

Probable E3 ubiquitin-protein ligase ARI12; Might act as an E3 ubiquitin-protein ligase, or as part of E3 complex, which accepts ubiquitin from specific E2 ubiquitin-conjugating enzymes and then transfers it to substrates; Belongs to the RBR family. Ariadne subfamily.

Protein-tyrosine-phosphatase MKP1; Protein-tyrosine-phosphatase that acts as a negative regulator of MPK6 and MPK3 signaling by dephosphorylating and repressing MPK6 and MPK3. Modulates defense response by repressing salicylic acid (SA) production, camalexin biosynthesis and SNC1- mediated responses. Acts as a negative regulator of MPK6-mediated pathogen-associated molecular pattern (PAMP) responses, including MPK6 and MPK3 activation, accumulation of extracellular reactive oxygen species and inhibition of seedling growth. Involved in UV-B stress tolerance. May be involved in salt and [...]

Probable E3 ubiquitin-protein ligase ARI12; Might act as an E3 ubiquitin-protein ligase, or as part of E3 complex, which accepts ubiquitin from specific E2 ubiquitin-conjugating enzymes and then transfers it to substrates; Belongs to the RBR family. Ariadne subfamily.

Phytochrome A; Regulatory photoreceptor which exists in two forms that are reversibly interconvertible by light: the Pr form that absorbs maximally in the red region of the spectrum and the Pfr form that absorbs maximally in the far-red region. Photoconversion of Pr to Pfr induces an array of morphogenetic responses, whereas reconversion of Pfr to Pr cancels the induction of those responses. Pfr controls the expression of a number of nuclear genes including those encoding the small subunit of ribulose-bisphosphate carboxylase, chlorophyll A/B binding protein, protochlorophyllide reduct [...]

B-box zinc finger protein 24; Acts as negative regulator of seedling photomorphogenesis and light-regulated inhibition of hypocotyl elongation. BBX24/STO and BBX25/STH function as transcriptional corepressors of HY5 activity, leading to the down- regulation of BBX22 expression. BBX24/STO acts additively with BBX25/STH during de-etiolation and the hypocotyl shade avoidance response. Functions as negative regulator of photomorphogenic UV-B responses by interacting with both COP1 and HY5. May act as a transcription factor in the salt-stress response.

E3 ubiquitin-protein ligase COP1; E3 ubiquitin-protein ligase that acts as a repressor of photomorphogenesis and as an activator of etiolation in darkness. E3 ubiquitin ligases accept ubiquitin from an E2 ubiquitin-conjugating enzyme in the form of a thioester and then directly transfers the ubiquitin to targeted substrates. Represses photomorphogenesis in darkness by mediating ubiquitination and subsequent proteasomal degradation of light-induced transcription factors such as HY5, HYH and LAF1. Down-regulates MYB21, probably via ubiquitination process. Light stimuli abrogate the repre [...]

B-box zinc finger protein 24; Acts as negative regulator of seedling photomorphogenesis and light-regulated inhibition of hypocotyl elongation. BBX24/STO and BBX25/STH function as transcriptional corepressors of HY5 activity, leading to the down- regulation of BBX22 expression. BBX24/STO acts additively with BBX25/STH during de-etiolation and the hypocotyl shade avoidance response. Functions as negative regulator of photomorphogenic UV-B responses by interacting with both COP1 and HY5. May act as a transcription factor in the salt-stress response.

Transducin family protein / WD-40 repeat family protein.

B-box zinc finger protein 24; Acts as negative regulator of seedling photomorphogenesis and light-regulated inhibition of hypocotyl elongation. BBX24/STO and BBX25/STH function as transcriptional corepressors of HY5 activity, leading to the down- regulation of BBX22 expression. BBX24/STO acts additively with BBX25/STH during de-etiolation and the hypocotyl shade avoidance response. Functions as negative regulator of photomorphogenic UV-B responses by interacting with both COP1 and HY5. May act as a transcription factor in the salt-stress response.

Transcription factor HY5; Transcription factor that promotes photomorphogenesis in light. Acts downstream of the light receptor network and directly affects transcription of light-induced genes. Specifically involved in the blue light specific pathway, suggesting that it participates in transmission of cryptochromes (CRY1 and CRY2) signals to downstream responses. In darkness, its degradation prevents the activation of light-induced genes (Probable). Acts coordinately with SPL7 to regulate the microRNA miR408 and its target genes in response to changes in light and copper conditions. R [...]

B-box zinc finger protein 24; Acts as negative regulator of seedling photomorphogenesis and light-regulated inhibition of hypocotyl elongation. BBX24/STO and BBX25/STH function as transcriptional corepressors of HY5 activity, leading to the down- regulation of BBX22 expression. BBX24/STO acts additively with BBX25/STH during de-etiolation and the hypocotyl shade avoidance response. Functions as negative regulator of photomorphogenic UV-B responses by interacting with both COP1 and HY5. May act as a transcription factor in the salt-stress response.

Transcription factor HY5-like; Transcription factor that promotes photomorphogenesis in light. Acts downstream of the light receptor network and directly affects transcription of light-induced genes. Specifically involved in the blue light specific pathway, suggesting that it participates in transmission of cryptochromes (CRY1 and CRY2) signals to downstream responses. In darkness, its degradation prevents the activation of light-induced genes; Belongs to the bZIP family.

B-box zinc finger protein 24; Acts as negative regulator of seedling photomorphogenesis and light-regulated inhibition of hypocotyl elongation. BBX24/STO and BBX25/STH function as transcriptional corepressors of HY5 activity, leading to the down- regulation of BBX22 expression. BBX24/STO acts additively with BBX25/STH during de-etiolation and the hypocotyl shade avoidance response. Functions as negative regulator of photomorphogenic UV-B responses by interacting with both COP1 and HY5. May act as a transcription factor in the salt-stress response.

Phytochrome A; Regulatory photoreceptor which exists in two forms that are reversibly interconvertible by light: the Pr form that absorbs maximally in the red region of the spectrum and the Pfr form that absorbs maximally in the far-red region. Photoconversion of Pr to Pfr induces an array of morphogenetic responses, whereas reconversion of Pfr to Pr cancels the induction of those responses. Pfr controls the expression of a number of nuclear genes including those encoding the small subunit of ribulose-bisphosphate carboxylase, chlorophyll A/B binding protein, protochlorophyllide reduct [...]

B-box zinc finger protein 24; Acts as negative regulator of seedling photomorphogenesis and light-regulated inhibition of hypocotyl elongation. BBX24/STO and BBX25/STH function as transcriptional corepressors of HY5 activity, leading to the down- regulation of BBX22 expression. BBX24/STO acts additively with BBX25/STH during de-etiolation and the hypocotyl shade avoidance response. Functions as negative regulator of photomorphogenic UV-B responses by interacting with both COP1 and HY5. May act as a transcription factor in the salt-stress response.

Inactive poly [ADP-ribose] polymerase RCD1; Inactive ADP-ribosyltransferase that functions with SRO1 to regulate oxidative stress, hormonal and developmental responses. Required for embryogenesis, vegetative and reproductive development, and abiotic stress responses. May regulate several stress-responsive genes. Seems to play a larger developmental role than SRO1. Does not bind NAD in vitro.

B-box zinc finger protein 24; Acts as negative regulator of seedling photomorphogenesis and light-regulated inhibition of hypocotyl elongation. BBX24/STO and BBX25/STH function as transcriptional corepressors of HY5 activity, leading to the down- regulation of BBX22 expression. BBX24/STO acts additively with BBX25/STH during de-etiolation and the hypocotyl shade avoidance response. Functions as negative regulator of photomorphogenic UV-B responses by interacting with both COP1 and HY5. May act as a transcription factor in the salt-stress response.

WD repeat-containing protein RUP1; Functions in association with RUP2 as repressor of UV-B- induced photomorphogenesis mediated by UVR8 and HY5. Plays a crucial negative feedback regulatory role downstream of UVR8-COP1 to inhibit UVR8 function, balance UV-B-specific responses and ensure normal plant growth. Is involved in the regulation of photoperiodic flowering and vegetative development.

Transcription factor BIM1; Positive brassinosteroid-signaling protein. Transcription factor that bind specifically to the DNA sequence 5'-CANNTG-3'(E box). Can bind individually to the promoter as a homodimer or synergistically as a heterodimer with BZR2/BES1. Does not itself activate transcription but enhances BZR2/BES1-mediated target gene activation.

Protein BRASSINOSTEROID INSENSITIVE 1; Receptor with a dual specificity kinase activity acting on both serine/threonine- and tyrosine-containing substrates. Regulates, in response to brassinosteroid binding, a signaling cascade involved in plant development, including expression of light- and stress-regulated genes, promotion of cell elongation, normal leaf and chloroplast senescence, and flowering. Binds brassinolide, and less effectively castasterone, but not 2,3,22,23-O-tetramethylbrassinolide or ecdysone. May be involved in a feedback regulation of brassinosteroid biosynthesis. Pho [...]

Transcription factor BIM1; Positive brassinosteroid-signaling protein. Transcription factor that bind specifically to the DNA sequence 5'-CANNTG-3'(E box). Can bind individually to the promoter as a homodimer or synergistically as a heterodimer with BZR2/BES1. Does not itself activate transcription but enhances BZR2/BES1-mediated target gene activation.

Protein BRASSINAZOLE-RESISTANT 2; Positive regulator of brassinosteroid (BR) signaling. Transcription factor that activates target gene expression by binding specifically to the DNA sequence 5'-CANNTG-3'(E box) through its N- terminal domain. Can bind individually to the promoter as a homodimer or synergistically as a heterodimer with BIM1, BIM2 or BIM3. The C- terminal domain is probably involved in transcriptional activation. Recruits the transcription elongation factor IWS1 to control BR- regulated gene expression. Forms a trimeric complex with IWS1 and ASHH2/SDG8 to regulate BR-reg [...]

Transcription factor BIM1; Positive brassinosteroid-signaling protein. Transcription factor that bind specifically to the DNA sequence 5'-CANNTG-3'(E box). Can bind individually to the promoter as a homodimer or synergistically as a heterodimer with BZR2/BES1. Does not itself activate transcription but enhances BZR2/BES1-mediated target gene activation.

E3 ubiquitin-protein ligase COP1; E3 ubiquitin-protein ligase that acts as a repressor of photomorphogenesis and as an activator of etiolation in darkness. E3 ubiquitin ligases accept ubiquitin from an E2 ubiquitin-conjugating enzyme in the form of a thioester and then directly transfers the ubiquitin to targeted substrates. Represses photomorphogenesis in darkness by mediating ubiquitination and subsequent proteasomal degradation of light-induced transcription factors such as HY5, HYH and LAF1. Down-regulates MYB21, probably via ubiquitination process. Light stimuli abrogate the repre [...]

Transcription factor BIM1; Positive brassinosteroid-signaling protein. Transcription factor that bind specifically to the DNA sequence 5'-CANNTG-3'(E box). Can bind individually to the promoter as a homodimer or synergistically as a heterodimer with BZR2/BES1. Does not itself activate transcription but enhances BZR2/BES1-mediated target gene activation.

Transcription factor HY5; Transcription factor that promotes photomorphogenesis in light. Acts downstream of the light receptor network and directly affects transcription of light-induced genes. Specifically involved in the blue light specific pathway, suggesting that it participates in transmission of cryptochromes (CRY1 and CRY2) signals to downstream responses. In darkness, its degradation prevents the activation of light-induced genes (Probable). Acts coordinately with SPL7 to regulate the microRNA miR408 and its target genes in response to changes in light and copper conditions. R [...]

Transcription factor BIM1; Positive brassinosteroid-signaling protein. Transcription factor that bind specifically to the DNA sequence 5'-CANNTG-3'(E box). Can bind individually to the promoter as a homodimer or synergistically as a heterodimer with BZR2/BES1. Does not itself activate transcription but enhances BZR2/BES1-mediated target gene activation.

Transcription factor HY5-like; Transcription factor that promotes photomorphogenesis in light. Acts downstream of the light receptor network and directly affects transcription of light-induced genes. Specifically involved in the blue light specific pathway, suggesting that it participates in transmission of cryptochromes (CRY1 and CRY2) signals to downstream responses. In darkness, its degradation prevents the activation of light-induced genes; Belongs to the bZIP family.

Transcription factor BIM1; Positive brassinosteroid-signaling protein. Transcription factor that bind specifically to the DNA sequence 5'-CANNTG-3'(E box). Can bind individually to the promoter as a homodimer or synergistically as a heterodimer with BZR2/BES1. Does not itself activate transcription but enhances BZR2/BES1-mediated target gene activation.

Phytochrome A; Regulatory photoreceptor which exists in two forms that are reversibly interconvertible by light: the Pr form that absorbs maximally in the red region of the spectrum and the Pfr form that absorbs maximally in the far-red region. Photoconversion of Pr to Pfr induces an array of morphogenetic responses, whereas reconversion of Pfr to Pr cancels the induction of those responses. Pfr controls the expression of a number of nuclear genes including those encoding the small subunit of ribulose-bisphosphate carboxylase, chlorophyll A/B binding protein, protochlorophyllide reduct [...]

Transcription factor BIM1; Positive brassinosteroid-signaling protein. Transcription factor that bind specifically to the DNA sequence 5'-CANNTG-3'(E box). Can bind individually to the promoter as a homodimer or synergistically as a heterodimer with BZR2/BES1. Does not itself activate transcription but enhances BZR2/BES1-mediated target gene activation.

WD repeat-containing protein RUP1; Functions in association with RUP2 as repressor of UV-B- induced photomorphogenesis mediated by UVR8 and HY5. Plays a crucial negative feedback regulatory role downstream of UVR8-COP1 to inhibit UVR8 function, balance UV-B-specific responses and ensure normal plant growth. Is involved in the regulation of photoperiodic flowering and vegetative development.