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. 2003 Jan 20;197(2):207–220. doi: 10.1084/jem.20020250

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Copyright © 2003, The Rockefeller University Press

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Figure 1. — Information (I _i) at each position in an alignment of physiologic 12- and 23-RS. Position in the alignment is shown on the x axis, and I _i at that position is given by the height of the bar. The most frequent nucleotide at highly conserved positions is indicated on the bar. The average amount of information contained in the heptamer, spacer, and nonamer regions is noted.