 | Acta Crystallographica Section F Acta Crystallographica Section F STRUCTURAL BIOLOGY COMMUNICATIONS |
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![[Figure 1]](tb5124fig1mag.jpg)
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Figure 1
Secondary structures of PhopRNA and its fragments. (a) Secondary structure of PhopRNA. Single strands connected by broken lines indicate helices P4 and P6. (b, c, d) Secondary structures of SL12M (b), P12.2M (c) and P12.1M (d) used for crystallization. Watson–Crick base pairs are denoted by short lines, G–U pairs by dots and irregular AG and GA pairs by +. Residues are numbered in increments of five or ten. Helices are numbered according to the existing RNase P RNA nomenclature (Pace & Brown, 1995  ). The K-turn motifs, the GAAA tetraloop and its receptor are shown in red, orange and green, respectively. |
![[Figure 1]](tb5124fig1.jpg)
| STRUCTURAL BIOLOGY COMMUNICATIONS |
ISSN: 2053-230X
