>sp|Q3SZA5|SPSY_BOVIN Spermine synthase OS=Bos taurus GN=SMS MAAARHSTLDFMLGAKADGETILKGLQSIFQEQGMTESVHTWQDHGYLATYINKNGSFAN LRIYPHGLVLLDLQSYDGDAQGKEVDSLLNKVEERMKELSQDSTERVKRLPPIVRGGAID RYWPTADGRLVEYDIDKVVYDEDSPYQNIKILHSKQFGNILILSGDVNLAESDLAYTRAI MGSGKEDYSGKDVLILGGGDGGILCEIVKLKPKMVTMVEIDQMVIDGCKKYMRKTCGDVL DNLKGDCYQVLIEDCIPVLKRYAKEGREFDYVINDLTAVPISTSPEEDSTWEFLRLILDL SMKVLKQDGKYFTQGNCVNLTEALSLYEEQLGRLYCPVEFSKEIVCVPSYLELWVFYTVW KKAKP