>3DLU_1|Chains A, B, C, D|Signal recognition particle 19 kDa protein|Pyrococcus furiosus (2261) MGRFVVWPSELDSRLSRKYGRIVPRSIAVESPRVEEIVRAAEELKFKVIRVEEDKLNPRLSGIDEELRTFGMIVLESPYGKSKSLKLIAQKIREFRRRSAGTLVPR