PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1931965-4 1991 VanA was found to catalyze ester bond formation between D-alanine and the D-hydroxy acid products of VanH, the best substrate being D-2-hydroxybutyrate (Km = 0.60 mM). dalbergioidin 56-65 VanH protein Enterococcus faecium 101-105