PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8719852-7 1995 The chaperonin hsp60 was detectable in the orthodox-type mitochondria of spermatogonia and primary spermatocytes (leptotene and zygotene). leptotene 114-123 heat shock protein family D (Hsp60) member 1 Homo sapiens 15-20