PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 29554430-2 2018 The individual enantiomers, the absolute configuration of which was confirmed by single-crystal X-ray structure analysis, were stereoselectively converted into the same pyrazine-fused syn-bis-TBTQ derivative by chirality-assisted Buchwald-Hartwig amination. Pyrazines 169-177 synemin Homo sapiens 184-187