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Volume 10, Number 4—April 2004

Research

Influenza A Virus PB1-F2 Gene in Recent Taiwanese Isolates

Guang-Wu Chen*, Ching-Chun Yang†, Kuo-Chien Tsao†‡, Chung-Guei Huang†‡, Li-Ang Lee†‡, Wen-Zhi Yang§, Ya-Ling Huang†‡, Tzou-Yien Lin¶, and Shin-Ru Shih†‡Comments to Author 
Author affiliations: *National Health Research Institutes, Taipei, Taiwan; †Chang Gung University, Tao-Yuan, Taiwan; ‡Chang Gung Memorial Hospital, Tao-Yuan, Taiwan; §Center for Disease Control and Prevention, Taipei, Taiwan; ¶Chang Gung Children’s Hospital, Tao-Yuan, Taiwan

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Figure 3

Alignment of putative PB1-F2 amino acid sequences of 18 Taiwanese H3N2 strains and 17 H3N2 reference strains. PB1-F2 of A/Puerto Rico/8/34 (H1N1) with 87 residues is laid over the alignment for reference. Most strains contained a PB1-F2 ORF 90 residues long. One Taiwanese strain, A/Taiwan/1748/97, encoded a truncated open reading frame (ORF) with 79 residues, and one reference strain, A/Shiga/25/97, encoded a 87-residue product as in A/Puerto Rico/8/34 (H1N1). The program AlignX in VectorNTI Sui

Figure 3. Alignment of putative PB1-F2 amino acid sequences of 18 Taiwanese H3N2 strains and 17 H3N2 reference strains. PB1-F2 of A/Puerto Rico/8/34 (H1N1) with 87 residues is laid over the alignment for reference. Most strains contained a PB1-F2 ORF 90 residues long. One Taiwanese strain, A/Taiwan/1748/97, encoded a truncated open reading frame (ORF) with 79 residues, and one reference strain, A/Shiga/25/97, encoded a 87-residue product as in A/Puerto Rico/8/34 (H1N1). The program AlignX in VectorNTI Suite produced the alignment.

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