PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19936267-5 2009 In the course of this study, an L-asparagine derivative was condensed with benzaldehyde and subsequently converted to orthogonally protected (R)-beta(2)-homoaspartate. benzaldehyde 75-87 potassium calcium-activated channel subfamily M regulatory beta subunit 2 Homo sapiens 145-151