PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2016722-3 1991 Reductive coupling of 2,4-diaminopyrido[2,3-d]pyrimidine-6-carbonitrile and 4-aminobenzoic acid followed by reaction with 95-97% formic acid yielded 4-amino-4-deoxy-5-deaza-N10-formylpteroic acid, which on condensation with methyl N delta-(benzyloxycarbonyl)-L-ornithinate and deprotection gave the 5-deaza analogue of APA-Orn. 4-Aminobenzoic Acid 76-95 glutamyl aminopeptidase Mus musculus 319-322