PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 20413107-3 2010 Our synthetic schemes involved using an N-trichloroacetylated trichloroacetimidate glucosaminyl donor activated with excess TMSOTf at 0 degrees C for glycosylation at O-3 of galactosyl residues and that of trichloroacetimidate galactosyl donors activated with excess BF(3).OEt(2) to glycosylate either O-3 or O-4 of glucosamine residues. trichloroacetamide 62-82 immunoglobulin kappa variable 2D-38 (pseudogene) Homo sapiens 302-312