Kalle Saksela

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The crystal structure of the conserved core of HIV-1 Nef has been determined in complex with the SH3 domain of a mutant Fyn tyrosine kinase (a single amino acid substitution, Arg-96 to isoleucine), to which Nef binds tightly. The conserved PxxP sequence motif of Nef, known to be important for optimal viral replication, is part of a polyproline type II helix(More)
Autoimmune regulator (AIRE) is a transcription factor that induces the expression of a large subset of otherwise strictly tissue restricted antigens in medullary thymic epithelial cells, thereby enabling their presentation to developing T cells for negative selection. Mutations in AIRE lead to autoimmune-polyendocrinopathy-candidiasis-ectodermal dystrophy(More)
The non-structural protein-1 (NS1) of many influenza A strains, especially those of avian origin, contains an SH3 ligand motif, which binds tightly to the cellular adaptor proteins Crk (Chicken tumor virus number 10 (CT10) regulator of kinase) and Crk-like adapter protein (CrkL). This interaction has been shown to potentiate NS1-induced activation of the(More)
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