PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 32719266-9 2020 Conclusions: This study suggests that HNSCC patients with Gln substitution in place of Arg at position 399 (both homozygous and heterozygous) in XRCC1 protein have significantly inferior survival functions, higher recurrence rate, and events after radical treatment. Arginine 87-90 X-ray repair cross complementing 1 Homo sapiens 145-150