PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22743332-5 2012 Here we report that BRCA1 is critical for Chk1 phosphorylation in response to inhibition of replication by either cisplatin or hydroxyurea. Hydroxyurea 127-138 BRCA1 DNA repair associated Homo sapiens 20-25