>3AHW_1|Chain A|Ribonuclease U2|Ustilago sphaerogena (5271) CDIPQSTNCGGNVYSNDDINTAIQGALDDVANGDRPDNYPHQYYDEASEDITLCCGSGPWSEFPLVYNGPYYSSRDNYVSPGPDRVIYQTNTGEFCATVTHTGAASYDGFTQCS