tRNA nucleotidyl transferase 1 MLRCLYHWHR PVLNRRWSRL CLPKQYLFTM KLQSPEFQSL FTEGLKSLTE LFVKENHELR IAGGAVRDLL NGVKPQDIDF ATTATPTQMK EMFQSAGIRM INNRGEKHGT ITARVLMALY LTTLMVMKI