Abstract:
:Herpes simplex virus (HSV) infection requires binding of the viral envelope glycoprotein D (gD) to cell surface receptors. We report the X-ray structures of a soluble, truncated ectodomain of gD both alone and in complex with the ectodomain of its cellular receptor HveA. Two bound anions suggest possible binding sites for another gD receptor, a 3-O-sulfonated heparan sulfate. Unexpectedly, the structures reveal a V-like immunoglobulin (Ig) fold at the core of gD that is closely related to cellular adhesion molecules and flanked by large N- and C-terminal extensions. The receptor binding segment of gD, an N-terminal hairpin, appears conformationally flexible, suggesting that a conformational change accompanying binding might be part of the viral entry mechanism.
journal_name
Mol Celljournal_title
Molecular cellauthors
Carfí A,Willis SH,Whitbeck JC,Krummenacher C,Cohen GH,Eisenberg RJ,Wiley DCdoi
10.1016/s1097-2765(01)00298-2subject
Has Abstractpub_date
2001-07-01 00:00:00pages
169-79issue
1eissn
1097-2765issn
1097-4164pii
S1097-2765(01)00298-2journal_volume
8pub_type
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