PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16636053-5 2006 The HCCH zinc coordination site, which is conserved among primate lentivirus Vif proteins, does not correspond to any known class of zinc-binding motif. alpha-hexachlorocyclohexane 4-8 Vif Human immunodeficiency virus 1 77-80 16636053-10 2006 We propose that the HCCH zinc-binding motif facilitates Vif-Cul5 binding by playing a structural role in positioning hydrophobic residues for direct contact with Cul5. alpha-hexachlorocyclohexane 20-24 Vif Human immunodeficiency virus 1 56-59