PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 30567987-11 2019 We found that substrate-binding residues on the human parvulin peptidylprolyl cis/trans isomerase proteins Par14 and Par17 bound to conserved arginine-proline (RP) motifs on HBx in the cytoplasm, nucleus, and mitochondria. arginylproline 142-158 X protein Hepatitis B virus 174-177