>6SR7_1|Chains A[auth AAA], B[auth BBB], C[auth CCC], D[auth DDD]|U1 small nuclear ribonucleoprotein A|Homo sapiens (9606)
MAVPETRPNHTIYINNLNEKIKKDELKKSLHAIFSRFGQILDILVSRSLKMRGQAFVIFKEVSSATNALRSMQGFPFYDKPMRIQYAKTDSDIIAKMW