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PRE6

Gene
pre6
Protein
Probable proteasome subunit alpha type-4
Organism
Schizosaccharomyces pombe (strain 972 / ATCC 24843)
Length
259 amino acids
Function
The proteasome is a multicatalytic proteinase complex which is characterized by its ability to cleave peptides with Arg, Phe, Tyr, Leu, and Glu adjacent to the leaving group at neutral or slightly basic pH. The proteasome has an ATP-dependent proteolytic activity (By similarity).
Similarity
Belongs to the peptidase T1A family.
Mass
28.277 kDa
Sequence
MSGYDRALSVFSPDGRLLQVEYGQEAVRRGTTAIALRGNECIVIGVERKNVPKLQNVSNFQKIAMVDNHVCLAFAGLNADARILIDKARVEAQNHKLNLADPVSIEYLTRYVAGVQQKYTQSGGVRPFGVSTLIAGFDVGDNTPRVYQTEPAGIYNAWKATAIGRASKAAREYLEKNWKEGLSRDETIHLAVSSLLEVVQTASGNIELAIMDPGKDVEFLHSDKIDTIVKEIQDEKEAEAARKKSGRSAPGVSTTSTIQ

Gene
PRE6
Protein
Proteasome subunit alpha type-4
Organism
Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
Length
254 amino acids
Function
The proteasome degrades poly-ubiquitinated proteins in the cytoplasm and in the nucleus. It is essential for the regulated turnover of proteins and for the removal of misfolded proteins. The proteasome is a multicatalytic proteinase complex that is characterized by its ability to cleave peptides with Arg, Phe, Tyr, Leu, and Glu adjacent to the leaving group at neutral or slightly basic pH. It has an ATP-dependent proteolytic activity.
Similarity
Belongs to the peptidase T1A family.
Mass
28.439 kDa
Sequence
MSGYDRALSIFSPDGHIFQVEYALEAVKRGTCAVGVKGKNCVVLGCERRSTLKLQDTRITPSKVSKIDSHVVLSFSGLNADSRILIEKARVEAQSHRLTLEDPVTVEYLTRYVAGVQQRYTQSGGVRPFGVSTLIAGFDPRDDEPKLYQTEPSGIYSSWSAQTIGRNSKTVREFLEKNYDRKEPPATVEECVKLTVRSLLEVVQTGAKNIEITVVKPDSDIVALSSEEINQYVTQIEQEKQEQQEQDKKKKSNH

Gene
PRE6
Protein
Transcription factor PRE6
Organism
Arabidopsis thaliana
Length
94 amino acids
Function
Atypical and probable non DNA-binding bHLH transcription factor that regulates light-mediated responses in day light conditions by binding and inhibiting the activity of the bHLH transcription factor HFR1, a critical regulator of light signaling and shade avoidance. Forms non-functional heterodimers with HFR1, causing liberation and activation of PIF4 from the transcriptionally inactive HFR1-PIF4 complex.
Similarity
Belongs to the bHLH protein family.
Mass
10.718 kDa
Sequence
MSSRRSSRSRQSGSSRISDDQISDLVSKLQHLIPELRRRRSDKVSASKVLQETCNYIRNLHREVDDLSDRLSELLASTDDNSAEAAIIRSLLNY