PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18417714-3 2008 SP3 declined during the leptotene-to-pachytene transition, whereas SP1 fell somewhat later, as spermatocytes progressed beyond the early pachytene stage. leptotene 24-33 trans-acting transcription factor 3 Mus musculus 0-3