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. 2004 Sep 3;101(37):13584–13589. doi: 10.1073/pnas.0405297101

Fig. 1.

Fig. 1.

The P1 peptide and CTB-P1 expression vectors. (A) Sequence of the P1 peptide (HIV-1 isolate 593 clone 1 from Haiti, U08444). An arrow indicates the beginning of the gp41 transmembrane domain. HIV-1 cross-clade neutralizing epitopes (underlined) and their corresponding Abs are listed. (B) The relevant region of the CTB-P1 bacterial expression vector, pTM101. (C) pTM095, the CTB-P1 plant expression vector. Ca35S, cauliflower mosaic virus 35S promoter; TEV, the translation enhancer region of tobacco etch virus; VSP, the 3′-UTR of the soybean vegetative storage protein; npt II, the kanamycin resistance selectable marker; NOS, the nopline synthase promoter; Ag7, the nopline synthase polyadenylation signal.