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. 2004 May 1;35(1):1711–171189. doi: 10.1002/0471140864.ps1701s35

Figure 24.

Figure 24

Aminoacyl tRNA transferase catalytic domains (A to B) and signal recognition particle (SRP) domains (C to E). (A) Example of a class I aaRS catalytic domain (GluRS, PDB entry 1gln). The MSK and HIGH motifs are highlighted by green and red respectively. An insertion domain (common in class I catalytic domains) is colored magenta. (B) Example of a class II catalytic domain (HisRS, PDB entry 1htt). Motifs 1 to 3 are colored green, red, and magenta, respectively. (C) Structure of SRP9/14 heterodimer of SRP Alu domain bound to RNA (red coil). SRP9 and ‐14 are colored in green and cyan, respectively (PDB entry 1e8o). (D) Structure of SRP19 in complex with RNA (cyan; PDB entry 1jid). (E) Structure of ffh‐M domain (green) in complex with RNA (red; PDB entry 1dul). (F) Structure of a SRP receptor (PDB entry 1fts). The N domain and I box are both colored magenta.