PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 14551354-10 2003 Within the entire coding region of the XDH gene, an A to T base change at nucleotide position 2164 was identified in the siblings, indicating a nonsense substitution from AAG (Lys) to TAG (Tyr) at codon 722. Tyrosine 189-192 xanthine dehydrogenase Homo sapiens 39-42