PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12423966-2 2002 GC-MS, NMR, and ESI-MS analyses showed the structure of the arabinogalactan to be even more complex than previously determined, with core structures containing Arap, beta-Araf, and alpha-Galp units, as well as known terminal, and 2-O- and 3-O-substituted alpha-Araf units. arabinogalactan 60-75 galanin like peptide Homo sapiens 187-191