PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19940136-4 2010 Mutation of two conserved residues (Asn-110 and Tyr-145) located in the XPA-binding site of ERCC1 dramatically affected NER but not nuclease activity on model DNA substrates. Tyrosine 48-51 XPA, DNA damage recognition and repair factor Homo sapiens 72-75