>tr|G3UY26|G3UY26_MOUSE Cytochrome b5 reductase 4 (Fragment) OS=Mus musculus OX=10090 GN=Cyb5r4 PE=4 SV=1 VSGPEGDFKVSKLQEVEDLFLLAAGTGFTPMVTVLNYALSHMSSLRKVKLMFFNKTEDDI IWRCQLEKLALREKRMEWQTGTHITSSSL