PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
9003789-5	1996	PCR analysis of the psbA and psaA-psaB-rps14 operons revealed other polyadenylated endonucleolytic cleavage products, indicating that poly(A) addition appears to be an integral modification during chloroplast mRNA degradation.	Poly A	134-141	ribosomal protein S14	Homo sapiens	39-44