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. 2011 Feb 8;6(2):e16405. doi: 10.1371/journal.pone.0016405

Figure 1. Alignment of HPV16, HPV31, HPV18, and HPV45 L2.

Figure 1

The N-terminal 236 amino acids of HPV16 L2 were aligned against HPV31, HPV18, and HPV45 L2 using NCBI BLAST. Asterisks denote 100% amino acid identity. Colons denote conservation of amino acid properties. Periods denote conservation of some of the amino acids. White space denotes a lack of amino acid conservation. Grey shaded regions indicate stretches of N-terminal amino acids that are exposed as antigens on the capsid surface. Black bars highlight N-terminal L2 peptides that were used to raise the antibodies listed above them.