>tr|A0A384DGE7|A0A384DGE7_URSMA Protein transport protein Sec61 subunit beta OS=Ursus maritimus GN=SEC61B MPGPTPSGTNVGSSGRSPSKAVAARAAGSTVRQRKNASCGTRSAGRTTSAGTGGMWRFYT EDSPGLKVGPVPVLVMSLLFIASVFMLHIWGKYTRS