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KAT1

Gene
KAT1
Protein
Potassium channel KAT1
Organism
Arabidopsis thaliana
Length
677 amino acids
Function
Highly selective inward-rectifying potassium channel. This voltage-gated channel could mediate long-term potassium influx into guard cells leading to stomatal opening. Assuming opened or closed conformations in response to the voltage difference across the membrane, the channel is activated by hyperpolarization. The channel activity is enhanced upon external acidification. Also permeable to ammonium ions. Blocked by tetraethylammonium and barium ions.
Similarity
Belongs to the potassium channel family. Plant (TC 1.A.1.4) subfamily.
Mass
78.271 kDa
Sequence
MSISWTRNFFERFCVEEYNIDTIKQSSFLSADLLPSLGARINQSTKLRKHIISPFNPRYRAWEMWLVLLVIYSAWICPFQFAFITYKKDAIFIIDNIVNGFFAIDIILTFFVAYLDSHSYLLVDSPKKIAIRYLSTWFAFDVCSTAPFQPLSLLFNYNGSELGFRILSMLRLWRLRRVSSLFARLEKDIRFNYFWIRCTKLISVTLFAIHCAGCFNYLIADRYPNPRKTWIGAVYPNFKEASLWNRYVTALYWSITTLTTTGYGDFHAENPREMLFDIFFMMFNLGLTAYLIGNMTNLVVHWTSRTRTFRDSVRAASEFASRNQLPHDIQDQMLSHICLKFKTEGLKQQETLNNLPKAIRSSIANYLFFPIVHNIYLFQGVSRNFLFQLVSDIDAEYFPPKEDIILQNEAPTDLYILVSGAVDFTVYVDGHDQFQGKAVIGETFGEVGVLYYRPQPFTVRTTELSQILRISRTSLMSAMHAHADDGRVIMNNLFMKLRGQQSIAIDDSNTSGHENRDFKSMGWEEWRDSRKDGYGLDVTNPTSDTALMDAIHKEDTEMVKKILKEQKIERAKVERSSSETAGRSYANDSSKKDPYCSSSNQIIKPCKREEKRVTIHMMSESKNGKLILLPSSIEELLRLASEKFGGCNFTKITNADNAEIDDLDVIWDGDHLYFSSN

Gene
KAT1
Protein
3-ketoacyl-CoA thiolase 1, peroxisomal
Organism
Arabidopsis thaliana
Length
443 amino acids
Function
Involved in fatty-acid beta-oxidation prior to gluconeogenesis during germination and subsequent seedling growth. Implicated in jasmonic acid (JA) biosynthesis (By similarity).
Similarity
Belongs to the thiolase-like superfamily. Thiolase family.
Mass
46.611 kDa
Sequence
MEKATERQRILLRHLQPSSSSDASLSASACLSKDSAAYQYGDDVVIVAAQRTALCKAKRGSFKDTFPDELLASVLRALIEKTNVNPSEVGDIVVGTVLGPGSQRASECRMAAFYAGFPETVPIRTVNRQCSSGLQAVADVAAAIKAGFYDIGIGAGLESMTTNPRGWKGSVNPNVKKFEQAHNCLLPMGITSENVAHRFNVSREEQDQAAVDSHRKAASATASGKFKDEITPVKTKIVDPKTGDEKPITVSVDDGIRPNTTLSGLAKLKPVFKEDGTTTAGNSSQLSDGAGAVLLMRRNVAMQKGLPILGVFRTFSAVGVDPAIMGVGPAVAIPAAVKAAGLELNDVDLFEINEAFASQFVYCRNKLGLDAEKINVNGGAIAIGHPLGATGARCVATLLHEMKRRGKDCRFGVVSMCIGSGMGAAAVFERGGGVDELCDVRKV