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SPA1

Gene
SPA1
Protein
Protein SUPPRESSOR OF PHYA-105 1
Organism
Arabidopsis thaliana
Length
1029 amino acids
Function
Controls normal photoperiodic flowering and regulates circadian rhythms. Required for suppression of photomorphogenesis in dark-grown seedlings and for normal elongation growth of adult plants. Integral component of the COP1/SPA E3 ubiquitin-protein ligase complex. Involved in HY5, HFR1, LAF1 and CO degradation.
Mass
114.686 kDa
Sequence
MPVMERVAEETVATNNIQLKARVDDVPCNKLDARHNDMVIQSETANSDCPGSSAHRNVDLTKPPPPEEAAGAKLSVEELTLGNYRIVQGSNNTNVDSPRAGKFEHLYRLARGSAFRAGDGDLDSQPRDMDQMLSRIRQQLAGAPSERQNLKPFMSRRSDQNLEAFSERLRAAGENSIMNAPALISEGVQMKTPVSSSNFSQLLLKRAMKGKGVVGKNQETPPEFVSDQDLGSKEKKLDISKSPTPHDVLPLKSSPKGNGMVSHGDGNHSKSSIGISLREFLRSSYAKREKRHGLCLFRQLVELVDSAHSKRLFLLDLRPSLFTLVPSKKLRYIGNFGKNDLESDVDEDLNRRRPVVEESSSGGRDSKKRKMDLHLNSPGNQLQATSTGRPFKRKSPVIDLNMVDARNPDSCELQQQDYIKNLSVSSVSRKQSMSTWLEEQWYTCPEEINGEDIGEKSNIYALGVLLFELLCHCESGEMHAAMMADLRHRILPPTFLSKYPKEAGFCLWLLHPEPSSRPSARDILKSELICEDDSVKSTAAAEEISELLLHFLSSLEVQKKKKASKLLQDIQTLEDDIKEAERRYSSNVSLVRSHGAIEKRVQSSPLDEHCTTSSALFVPTANTDRLMSNIRQLEDAYFFMRSQINLSSSAATARSDKTLKDRDRCSENQNENQDMSTKGKSSDQLEVFFEGLCKFARYSKFETCGTIRSGDLLNSASVVCSLSFDPDEEHIAAAGISKKIKIFDFNAFMNESVGVHYPLVEMVNKSKLSCVCWNSYIKNYLASTDYDGVVQIWDAGTGQGFSQYTEHQKRAWSVDFSPSDPTKFVSGSDDCSVKLWSINEKRSLGTIWSPANVCCVQFSSYSNHLLAFGSADYKVYCYDLRYVKTPWCTLAGHEKAVSYVKFMDSETIVSASTDNSLKLWNLNKTNSSGLSPGACSLTYKGHTNQKNFVGLSVLDGYIACGSETNEVYSYYKSLPMPMTSYKFGSVDPISGNEYFDDNGQFVSSVCWRKKSNMLVAANSTGNMKLLKLV

Gene
spa1
Protein
Ornithine decarboxylase antizyme
Organism
Schizosaccharomyces japonicus
Length
226 amino acids
Function
Ornithine decarboxylase (ODC) antizyme protein that negatively regulates ODC activity and intracellular polyamine biosynthesis in response to increased intracellular polyamine levels. Binds to ODC monomers, inhibiting the assembly of the functional ODC homodimer, and targets the monomers for ubiquitin-independent proteolytic destruction by the 26S proteasome.
Similarity
Belongs to the ODC antizyme family.
Mass
25.805 kDa
Sequence
MAFRNPIYQLSNTEDLNLDIINAPSLENSRRSSATLAVCTTEDSKFLYGTTPSGGAEWCSEGINSVRPSKRLLRRRRHVPRWISDSFRTCLPKSSGNLKEQALQPSLDRNPCRNGQADEALRNKRIGIAEPSNYWHGIIEETYDEHHQRQRNLHLIPENWQDVNLKNGLVAIIDLATDHLQCSKLIIYVDKHLPNLPYLVKSFHWVGFEPIAHPNCVDHAVFGMDL

Gene
spa1
Protein
Ornithine decarboxylase antizyme
Organism
Schizosaccharomyces pombe (strain 972 / ATCC 24843)
Length
226 amino acids
Function
Ornithine decarboxylase (ODC) antizyme protein that negatively regulates ODC activity and intracellular polyamine biosynthesis in response to increased intracellular polyamine levels. Binds to ODC monomers, inhibiting the assembly of the functional ODC homodimer, and targets the monomers for ubiquitin-independent proteolytic destruction by the 26S proteasome.
Similarity
Belongs to the ODC antizyme family.
Mass
25.873 kDa
Sequence
MAFRNRMYQLSNVDDADADILNSHFAPNPRGQNHTHGRRRNTLALCTTKDQMFVYGSTPAGGAEWCSEALERSRPRAAFKQQRRRHVPRWISDSFRTCLPKPSGILKEQTVNEEEGNSRHRGKYDCDERIGVAESMNYWHGIVRTEEDGSKTLFLIPESWEDVHLKEGLVAIIDLAVDRLHCSKLVLFVDKNNSSLPYLVKSLHWVGFEPLPHLNCSDHALFGMEL

Gene
spa1
Protein
Ornithine decarboxylase antizyme
Organism
Schizosaccharomyces octosporus
Length
224 amino acids
Function
Ornithine decarboxylase (ODC) antizyme protein that negatively regulates ODC activity and intracellular polyamine biosynthesis in response to increased intracellular polyamine levels. Binds to ODC monomers, inhibiting the assembly of the functional ODC homodimer, and targets the monomers for ubiquitin-independent proteolytic destruction by the 26S proteasome.
Similarity
Belongs to the ODC antizyme family.
Mass
25.672 kDa
Sequence
MAFRNPMYQLSNVDDIDSEVLNSRFLSETKDDGFSRRRTTLAVCATKKDLYLYGTTPAGGAEWCSEVLERTRPRIAHKRQRRRHVPRWISDSFRTCLPSPSGKWKEQTANEGEGRVKSSWLAACDERIGIAEPTNYWHGIVRTEDDSSKTLYLIPETWEDVHLKEGFVAIIDLAAERLQCSKLILFVDKNLSALSYLVKSLHWVGFEPVPHLDCVDHVLFGMEL