Protein
Mitochondrial outer membrane protein porin 3
Organism
Oryza sativa subsp. japonica
Function
Forms a channel through the mitochondrial outer membrane that allows diffusion of small hydrophilic molecules. The channel adopts an open conformation at low or zero membrane potential and a closed conformation at potentials above 30-40 mV. The open state has a weak anion selectivity whereas the closed state is cation-selective (By similarity).
Similarity
Belongs to the eukaryotic mitochondrial porin (TC 1.B.8.1) family.
Sequence
MAPGLYTDIGKKTRDLLYRDYGTHHKFTLTTCTPEGVTITAAGTRKNESVFGELQTQLKNKKLTVDVKANSESDLLTTVTVDEFGTPGLKSILSLVVPDQRSGKLELQYLHEYAGINASVGLNSNPMVNLSGVFGSKELSVGVDVAFDTATSNFTKYNAALSLTNSDLIASLHLNNHGDTLIASYYHLVKHHSNTAVGAELSHSFSRNESTLIFGSQHSLDPHTTVKARFNNYGMASALVQHEWRPKSLITISGEVDTKAIEKSTKVGLSLVLKH