KSHV orfK12 |
KSHV orfK14 |
phenylalanyl-tRNA synthetase subunit alpha |
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This protein is encoded by the open reading frame K13 of KSHV. Originally, K13 was thought to be a viral FLICE inhibitory protein (vFLIP) (Thome et al, 1997). However, K13 does not appear to act as an inhibitor of caspase-8 and, therefore, does not behave as a viral FLICE inhibitory protein. K13 has been shown to promote cellular survival, proliferation, transformation, and cytokine secretion by infected cells (Sun et al, 2003, 2006; An et al, 2003; Guasparri et al, 2004). It does so primarily by activating the NF-kappa-B pathway (Chugh et al, 2005; Field et al, 2003; Liu et al, 2002). K13
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