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PHYA1

Gene
PHYA1
Protein
Phytochrome A
Organism
Zea mays
Length
1131 amino acids
Function
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 morphogenic 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 reductase, rRNA, etc. It also controls the expression of its own gene(s) in a negative feedback fashion.
Similarity
Belongs to the phytochrome family.
Mass
125.15 kDa
Sequence
MSSSRPAHSSSSSSRTRQSSRARILAQTTLDAELNAEYEESGDSFDYSKLVEAQRSTPPEQQGRSGKVIAYLQHIQRGKLIQPFGCLLALDEKSFRVIAFSENAPEMLTTVSHAVPNVDDPPKLGIGTNVRSLFTDPGATALQKALGFADVSLLNPILVQCKTSGKPFYAIVHRATGCLVVDFEPVKPTEFPATAAGALQSYKLAAKAISKIQSLPGGSMEALCNTVVKEVFDLTGYDRVMAYKFHEDEHGEVFAEITKPGIEPYIGLHYPATDIPQAARFLFMKNKVRMICDCRARSVKIIEDEALSIDISLCGSTLRAPHSCHLKYMENMNSIASLVMAVVVNENEEDDEPEPEQPPQQQKKKRLWGLIVCHHESPRYVPFPLRYACEFLAQVFAVHVNKEFELEKQIREKNILRMQTMLSDMLFKESSPLSIVSGSPNIMDLVKCDGAALLYGDKVWRLQTAPTESQIRDIAFWLSEVHGDSTGLSTDSLQDAGYPGAASLGDMICGMAVAKITSKDILFWFRSHTAAEIKWGGAKHDPSDKDDNRRMHPRLSFKAFLEVVKTKSLPWSDYEMDAIHSLQLILRGTLNDASKPAQASGLDNQIGDLKLDGLAELQAVTSEMVRLMETATVPILAVDGNGLVNGWNQKVAELSGLRVDEAIGRHILTLVEDSSVSLVQRMLYLALQGREEKEVRFELKTHGSKRDDGPVILVVNACASRDLHDHVVGVCFVAQDMTVHKLVMDKFTRVEGDYKAIIHNPNPLIPPIFGADQFGWCSEWNAAMTKLTGWHRDEVVDKMLLGEVFNSSNASCLLKSKDAFVRLCIVINSALAGEEAEKASFGFFDRNEKYVECLLSVNRKVNADGVVTGVFCFIHVPSDDLQHALHVQQASEQTAQRKLKAFSYMRHAINKPLSGMLYSRETLKSTGLNEEQMRQVRVGDNCHRQLNKILADLDQDNITDKSSCLDLDMAEFVLQDVVVSAVSQVLIGCQAKGIRVACNLPERSMKQKVYGDGIRLQQIVSDFLFVSVKFSPAGGSVDISSKLTKNSIGENLHLIDFELRIKHRGAGVPAEILSQMYEEDNKEQSEEGFSLAVSRNLLRLMNGDIRHLREAGMSTFILTAELAAAPSAVGR

Gene
PHYA1
Protein
Phytochrome A1
Organism
Nicotiana tabacum
Length
1124 amino acids
Function
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 morphogenic 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 reductase, rRNA, etc. It also controls the expression of its own gene(s) in a negative feedback fashion.
Similarity
Belongs to the phytochrome family.
Mass
124.297 kDa
Sequence
MSSSRPSQSSTTSARSKHSARIIAQTTIDAKLHADFEESGDSFDYSSSVRVTSVAGDERKPKSDRVTTAYLNQIQKGKFIQPFGCLLALDEKTFKVIAFSENAPEMLTMVSHAVPSVGELPALGIGTDIRTIFTGPSAAALQKALGFGEVSLLNPVLVHCKTSGKPYYAIVHRVTGSLIIDFEPVKPYEVPMTAAGALQSYKLAAKAITRLQALPSGSMERLCDTMVQEVFELTGYDRVMTYKFHDDDHGEVVAEITKPGLDPYLGLHYPATDIPQAARFLFMKNKVRMICDCRAKHVKVVQDEKLPFDLTLCGSTLRAPHYCHLQYMENMSSIASLVMAVVVNDGDEEGESSDSTQSQKRKRLWGLVVCHNTTPRFVPFPLRYACEFLAQVFAIHVNKELELESQILEKNILRTQTLLCDMLMRVAPLGIVSQSPNIMDLVKCDGAALLYKNKIHRLGMTPSDFQLHDIVSWLSEYHTDSTGLSTDSLYDAGFPGALALGDVVCGMAAVRISDKGWLFWYRSHTAAEVRWGGAKHEPGEKDDGRKMHPRSSFKAFLEVVKTRSVPWKDYEMDAIHSLQLILRNASKDADAMDSNTNIIHTKLNDLKIDGLQELEAVTAEMVRLIETASVPIFAVDVDGQLNGWNTKIAELTGLPVDEAIGNHLLTLVEDSSVDTVSKMLELALQGKEERNVEFEIKTHGPSGDSSPISLIVNACASRDVGDSVVGVCFIAQDITGQKNIMDKFTRIEGDYRAIIQNPHPLIPPIFGTDQFGWCSEWNSAMTKLTGWRRDDVIDKMLLGEVFGTQAACCRLKNQEAFVNFGVVLNNAMTGQECAKISFGFFARNGKYVECLLCVSKRLDREGAVTGLFCFLQLASHELQQALHIQRLSEQTALKRLKVLAYIRRQIRNPLSGIIFSRKMLEGTNLGEEQKNILRTSSQCQRQLNKILDDTDLDSIIDGYLDLEMLEFKLHEVLVASISQIMMKSNGKNIMIVNDMVEDLLNETLYGDSPRLQQVLANFLLVCVNSTPSGGQLSISGTLTKDRIGESVQLALLEVRISHTGGGVPEELLSQMFGTEAEASEEGISLLISRKLVKLMNGEVQYLREAGRSTFIISVELAVATKSSC