ðɪ ˌɛnˈɛs wˈʌn ˌɪnfluːˈɛnzə pɹˈoʊtiːn ˌɛnˈɛs wˈʌn ɪz ɐ vˈaɪɚɹəl nˌɑːnstɹˈʌktʃɚɹəl pɹˈoʊtiːn ɛŋkˈoʊdᵻd baɪ ðɪ ˌɛnˈɛs dʒˈiːn sˈɛɡmənts ʌv tˈaɪp ˈeɪ, bˈiː ænd sˈiː ˌɪnfluːˈɛnzə vˈaɪɹəsᵻz.
The NS1 influenza protein (NS1) is a viral nonstructural protein encoded by the NS gene segments of type A, B and C influenza viruses.