>3IWN_1|Chains A, B|C-di-GMP riboswitch|null CACGCACAGGGCAAACCAUUCGAAAGAGUGGGACGCAAAGCCUCCGGCCUAAACGGCAUUGCACUCCGCCGUAGGUAGCGGGGUUACCGAUGG >3IWN_2|Chains C, D|U1 small nuclear ribonucleoprotein A|Homo sapiens (9606) TRPNHTIYINNLNEKIKKDELKKSLHAIFSRFGQILDILVSRSLKMRGQAFVIFKEVSSATNALRSMQGFPFYDKPMRIQYAKTDSDIIAK