>tr|A0A1X3J7V9|A0A1X3J7V9_ECOLX S-adenosylmethionine decarboxylase proenzyme OS=Escherichia coli TA447 GN=speD MKKLKLHGFNNLTKSLSFCIYDICYAKTAEERDGYIAYIDELYNANRLTEILSETCSIIG ANILNIARQDYEPQGASVTILVSEEPVDPKLIDKTEHPGPLPETVVAHLDKSHICVHTYP ESHPEGGLCTFRADIEVSTCGVISPLKALNYLIHQLESDIVTIDYRVRGFTRDINGMKHF IDHEINSIQNFMSDDMKALYDMVDVNVYQENIFHTKMLLKEFDLKHYMFHTKPEDLTDSE RQEITAALWKEMREIYYGRNMPAV