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. Author manuscript; available in PMC: 2012 Sep 20.
Published in final edited form as: Biochemistry. 2011 Aug 24;50(37):7858–7867. doi: 10.1021/bi2011527

Figure 3.

Figure 3

Superpositions of structures of thermophilic archaeal membrane proteins on those of mesophilic counterparts reveal high similarity. Views onto the membrane surface are from the extracellular space (second panel from right) and from the cytosol (far right). (Top Panel) Superposition of porins TtoA from Thermus thermophilus (green, PDB ID: 3DZM (58)) and OmpA from E. coli (magenta, PDB ID: 1QJP (59)). (Middle Panel) Superposition of ammonium transporters Amt-1 from the archaeal hyperthermophile A. fulgidus (green, PDB ID: 2B2H (64)) and AmtB from E. coli (magenta, PDB ID: 1U77 (65)). (Bottom Panel) Superposition of aquaporin from A. fulgidus (green, PDB ID: 3NE2) with AqpZ from E. coli (magenta, PDB ID: 1RC2 (66)).