PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12622183-9 2002 The latter conclusion was strongly supported by an observation that in etiolated leaves, S-adenosyl-L-methionin:Mg-protoporphyrin IX methyltransferase, which converts MgProto into MgProtoME, were located not only in prothylakoids but also in prolamellar bodies containing photoactive Pchlide. Protochlorophyllide 284-291 xantha-g Hordeum vulgare 112-132