PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17981954-5 2007 RPA foci were also observed in synaptic segments at zygotene and early pachytene, in numbers that peak at the end of zygotene. pachytene 71-80 replication protein A1 Homo sapiens 0-3