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a. ORF II. 88. 110. SEA AGSNTQGQYKAPP KK GI KRK YPA SA ............... . ......G. Nucleic acid binding domain. b. ORF III. (i) Cys motif 1 (CP). CXCX 2 CX 4 HX 4 C. Lysine-rich core. SA KK R K IL K RVTNYN K NRR K NYVRRPSI KKKC R C YI C QDENHLANR C
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a. ORF II 88 110 SEA AGSNTQGQYKAPPKKGIKRKYPA SA ......................G Nucleic acid binding domain b. ORF III (i) Cys motif 1 (CP) CXCX2CX4HX4C Lysine-rich core SAKKRKILKRVTNYNKNRRKNYVRRPSIKKKCRCYICQDENHLANRC Wb/Ap/Pb ....T........R.K......K.N..R................. Kk ....TP.......R.K....A.K.N..R................. (ii) Cys motif 2 (region between CP and PR) CX2CX11CX2CX4CX2C PhCEICSYFTDYNKTVSCKTCETQYCKTC Ch/Se .................I......... SA .D..D.Y..F.KT.V.....I...T.. (iii) CP regon interacting with ORF II 739 732 SEAFCRSIYTIA SA ......... (iv) RT active site Ph/Ch SA/Se SFGDLKFALLYIDDILIASNNEK ...................S..Q c. ORF IV Ph Ch Se Wb/Kk Ap Pb LKDQVSLLQKQNSELRARIATNKEIIEGL ......T...................... .RE...H.KNTVETQKQQLREMRDKL... .RE...H.KNTVETQKQQLREMRDKL... .RE...H.KNTIETQKQQ.REMRDK.... Ph/Ch Se Wb/Kk Ap Pb Imperfect Leucine zipper Supplementary Fig. 3