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Gene Accession
P36844
Gene Alias
Fiber protein (SPIKE) (Protein IV)
Background
FUNCTION: Forms spikes that protrude from each vertex of the icosahedral capsid. Interacts with host receptor CXCAR to provide virion initial attachment to target cell. Fiber proteins are shed during virus entry, when virus is still at the cell surface (By similarity). {ECO:0000250}.
