PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 32266815-3 2020 Here, we apply site-specific isotopic labeling to obtain high-resolution NMR data on the cis/trans equilibrium of prolines within the poly-P repeats of huntingtin exon 1, the causative agent of Huntington"s disease. polyproline 134-140 huntingtin Homo sapiens 152-162