PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34577574-11 2021 In MCF-7 breast cancer cells, Cx affected proline metabolism through upregulation of proline biosynthesis, PRODH/POX and PYCRs expressions, PEPD activity, and downregulation of collagen biosynthesis. Proline 42-49 peptidase D Homo sapiens 140-144