>3EGZ_1|Chain A|U1 small nuclear ribonucleoprotein A|Homo sapiens (9606) MAVPETRPNHTIYINNLNEKIKKDELKKSLHAIFSRFGQILDILVSRSLKMRGQAFVIFKEVSSATNALRSMQGFPFYDKPMRIQYAKTDSDIIAKMK >3EGZ_2|Chain B|Tetracycline aptamer and artificial riboswitch|null GAGGGAGAGGUGAAGAAUACGACCACCUAGGUACCAUUGCACUCCGGUACCUAAAACAUACCCUC