PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 31498349-6 2019 The cyclic voltammograms obtained with H2AA in solution at Au/[CuII(4-mbpy-Bz-SMe)2]2+ as the working electrode showed a one-electron reaction leading to the ascorbyl radical (HA ), which was detected by EPR. histidinoalanine 176-178 H2A clustered histone 8 Homo sapiens 39-43