>3FJN_1|Chains A, B|Aldo-keto reductase family 1 member C21|Mus musculus (10090) MNSKCHCVILNDGNFIPVLGFGTALPLECPKSKAKELTKIAIDAGFHHFDSASVYNTEDHVGEAIRSKIADGTVRREDIFYTSKVWCTSLHPELVRASLERSLQKLQFDYVDLYLIHYPMALKPGEENFPVDEHGKLIFDRVDLCATWEAMEKCKDAGLTKSIGVSNFNYRQLEMILNKPGLKYKPVCNQVECHPYLNQMKLLDFCKSKDIVLVAYGVLGTQRDGGWVDQNSPVLLDEPVLGSMAKKYNRTPALIALRYQLQRGIVVLNTSLKEERIKENMQVFEFQLSSEDMKVLDGLNRNMRYIPAAIFKGHPNWPFLDEY