>3CUN_1|Chains A[auth C], B[auth D]|RNA (92-MER)|null GGAUGGCGAAAGCCAUUUCCGCAGGCCCCAUUGCACUCCGGGGUAUUGGCGUUAGGUGGUGGUACGAGGUUCGAAUCCUCGUACCGCAGCCA >3CUN_2|Chains C[auth A], D[auth B]|U1 small nuclear ribonucleoprotein A|Homo sapiens (9606) MAVPETRPNHTIYINNLNEKIKKDELKKSLHAIFSRFGQILDILVSRSLKMRGQAFVIFKEVSSATNALRSMQGFPFYDKPMRIQYAKTDSDIIAKMK