PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19296655-4 2009 Ultrabithorax self-assembles at the air-water interface into nanoscale fibers, which further associate to form macroscale films, sheets, ropes, and tethered encapsulates. Water 40-45 Ultrabithorax Drosophila melanogaster 0-13