| http://purl.uniprot.org/citations/18199642 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://purl.uniprot.org/core/Journal_Citation |
| http://purl.uniprot.org/citations/18199642 | http://www.w3.org/2000/01/rdf-schema#comment | "The human cytomegalovirus (HCMV) protein US6 inhibits the transporter associated with antigen processing (TAP). Since TAP transports antigenic peptides into the endoplasmic reticulum for binding to major histocompatibility class I molecules, inhibition of the transporter by HCMV US6 impairs the presentation of viral antigens to cytotoxic T lymphocytes. HCMV US6 inhibits ATP binding by TAP, hence depriving TAP of the energy source it requires for peptide translocation, yet the molecular basis for the interaction between US6 and TAP is poorly understood. In this study we demonstrate that residues 89 to 108 of the HCMV US6 luminal domain are required for TAP inhibition, whereas sequences that flank this region stabilize the binding of the viral protein to TAP. In parallel, we demonstrate that chimpanzee cytomegalovirus (CCMV) US6 binds, but does not inhibit, human TAP. The sequence of CCMV US6 differs from that of HCMV US6 in the region corresponding to residues 89 to 108 of the HCMV protein. The substitution of this region of CCMV US6 with the corresponding residues from HCMV US6 generates a chimeric protein that inhibits human TAP and provides further evidence for the pivotal role of residues 89 to 108 of HCMV US6 in the inhibition of TAP. On the basis of these observations, we propose that there is a hierarchy of interactions between HCMV US6 and TAP, in which residues 89 to 108 of HCMV US6 interact with and inhibit TAP, whereas other parts of the viral protein also bind to TAP and stabilize this inhibitory interaction."xsd:string |
| http://purl.uniprot.org/citations/18199642 | http://purl.org/dc/terms/identifier | "doi:10.1128/jvi.01705-07"xsd:string |
| http://purl.uniprot.org/citations/18199642 | http://purl.uniprot.org/core/author | "Hewitt E.W."xsd:string |
| http://purl.uniprot.org/citations/18199642 | http://purl.uniprot.org/core/author | "Dugan G.E."xsd:string |
| http://purl.uniprot.org/citations/18199642 | http://purl.uniprot.org/core/date | "2008"xsd:gYear |
| http://purl.uniprot.org/citations/18199642 | http://purl.uniprot.org/core/name | "J Virol"xsd:string |
| http://purl.uniprot.org/citations/18199642 | http://purl.uniprot.org/core/pages | "3271-3282"xsd:string |
| http://purl.uniprot.org/citations/18199642 | http://purl.uniprot.org/core/title | "Structural and Functional Dissection of the Human Cytomegalovirus Immune Evasion Protein US6."xsd:string |
| http://purl.uniprot.org/citations/18199642 | http://purl.uniprot.org/core/volume | "82"xsd:string |
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