Selection of Ankyrin Targeting HIV-1 Matrix and Identification of Its Binding Domain by Thongkum, Weeraya, Samerjai, Kanokwan, Saoin, Somphot, Wisitponchai, Tanchanok, Hadpech, Sudarat, Lee, Vannajan Sanghiran, Lim, Theam Soon, Tayapiwatana, Chatchai