PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34077620-7 2021 ZG16 crystal structures also draw attention to a non-proline cis peptide bond that can isomerize within the protein and to the mobility of glycine-rich loops in the glycan-binding site. Glycine 139-146 zymogen granule protein 16 Homo sapiens 0-4