PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 27221895-12 2016 While the XRCC1 Arg/Arg homozygote appeared to be a risk factor for CRC death, the association was not significant. Arginine 16-19 X-ray repair cross complementing 1 Homo sapiens 10-15