>4W90_1|Chain A[auth B]|U1 small nuclear ribonucleoprotein A|Homo Sapiens (9606)
TRPNHTIYINNLNEKIKKDELKKSLHAIFSRFGQILDILVSRSLKMRGQAFVIFKEVSSATNALRSMQGFPFYDKPMRIQYAKTDSDIIAK
>4W90_2|Chain B[auth C]|riboswitch a pseudo-dimeric RNA|BACILLUS SUBTILIS (1423)
GCGCGCUUAAUCUGAAAUCAGAGCGGGGGACCCAUUGCACUCCGGGUUUUUCCCGUAGGGGUGAAUCCUUUUUAGGUAGGGCGAAAGCCCGAAUCCGUCAGCUAACCUCGUAAGCGCGC