PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 20195697-1 2010 Over the past years, accumulating evidence has indicated that D-serine is the endogenous ligand for the glycine-modulatory binding site on the NR1 subunit of N-methyl-D-aspartate receptors in various brain areas. Glycine 104-111 glutamate ionotropic receptor NMDA type subunit 1 Homo sapiens 143-146