>3HHN_1|Chains A[auth B], C[auth D]|U1 small nuclear ribonucleoprotein A|Homo sapiens (9606) AVPETRPNHTIYINNLNEKIKKDELKKSLHAIFSRFGQILDILVSRSLKMRGQAFVIFKEVSSATNALRSMQGFPFYDKPMRIQYAKTDSDIIAKMK >3HHN_2|Chains B[auth C], D[auth E]|Class I ligase ribozyme, self-ligation product|null UCCAGUAGGAACACUAUACUACUGGAUAAUCAAAGACAAAUCUGCCCGAAGGGCUUGAGAACAUACCCAUUGCACUCCGGGUAUGCAGAGGUGGCAGCCUCCGGUGGGUUAAAACCCAACGUUCUCAACAAUAGUGA