PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 29218203-7 2015 Moreover, the calculations reveal that formation of the hydrosilane adducts proceeds via barrierless electrophilic activation of the hydrosilane by sterically controlled eta1 (end-on) or eta2 (side-on) coordination of the Si-H bond to the Lewis acidic metal center, followed by heterolytic cleavage of the Si-H bond through a concerted four-membered transition state. hydrosilane 56-67 DNA polymerase iota Homo sapiens 187-191 29218203-7 2015 Moreover, the calculations reveal that formation of the hydrosilane adducts proceeds via barrierless electrophilic activation of the hydrosilane by sterically controlled eta1 (end-on) or eta2 (side-on) coordination of the Si-H bond to the Lewis acidic metal center, followed by heterolytic cleavage of the Si-H bond through a concerted four-membered transition state. hydrosilane 133-144 DNA polymerase iota Homo sapiens 187-191