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 9721862-6 1998 Furthermore, abrogation of full-length HBx transcriptional activation by the insertion of two amino acids (Arg-Pro) at position 68 did not affect REV-2 cells transformation. arginylproline 107-114 X protein Hepatitis B virus 39-42