>1ZOS_1|Chains A, B, C, D, E, F|5'-methylthioadenosine / S-adenosylhomocysteine nucleosidase|Streptococcus pneumoniae R6 (171101) MKIGIIAAMPEELAYLVQHLDNTQEQVVLGNTYHTGTIASHEVVLVESGIGKVMSAMSVAILADHFQVDALINTGSAGAVAEGIAVGDVVIADKLAYHDVDVTAFGYAYGQMAQQPLYFESDKTFVAQIQESLSQLDQNWHLGLIATGDSFVAGNDKIEAIKSHFPEVLAVEMEGAAIAQAAHTLNLPVLVIRAMSDNANHEANIFFDEFIIEAGRRSAQVLLAFLKALD