PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 20407880-7 2010 The level of ERK1/2 phosphorylation was increased by a lower progesterone concentration, but reduced by a higher concentration (1 x 10(-6) mol/L). Progesterone 61-73 mitogen-activated protein kinase 3 Homo sapiens 13-19