PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8617357-1 1996 Two different crystal forms of the 9 kDa protein of the signal recognition particle (SRP9) have been prepared by the hanging drop vapor diffusion technique using 28% (w/v) PEG8000 or 28% saturated ammonium sulphate as precipitant. saturated 187-196 signal recognition particle 9 Mus musculus 85-89