PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19880550-2 2009 Two polymorphisms of XRCC1, rs1799782 (Arg > Trp at codon 194) and rs25487 (Arg > Gln at codon 399), are common in the Han Chinese population. Tryptophan 48-51 X-ray repair cross complementing 1 Homo sapiens 21-26