PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21167756-5 2010 This feature, combined with tryptophan-fluorescence quenching during loading of a dodecameric lipopeptide antigen, provides a compelling model by which both the lipid and peptide moieties of the lipopeptide are involved in CD1c presentation of lipopeptides. Tryptophan 28-38 CD1c molecule Homo sapiens 223-227 32244759-7 2020 We also found lipid- and pH-dependent dynamic changes in three exposed tryptophans unique to CD1d among the five human CD1 isotypes. Tryptophan 71-82 CD1c molecule Homo sapiens 93-96