PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23824061-5 2013 The tensile properties and thermal decomposition temperature of a single filament of silk fibroin obtained by the SAEW method were almost the same as those for the fiber obtained by the neutral soap, and much higher than those for the fiber obtained by Na2CO3 degumming. sodium carbonate 253-259 fibroin light chain Bombyx mori 90-97 32947834-5 2020 Furthermore, an analysis of the amino acid composition indicated that the silk fibroin suffered less damage because papain specifically cleaved the binding sites between L-arginine or L-lysine residue and another amino acid residue in sericin, leading to a significantly higher molecular weight and improved tensile strength compared to traditional sodium carbonate degumming. sodium carbonate 349-365 fibroin light chain Bombyx mori 79-86