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. 2012 Sep 12;7(9):e44263. doi: 10.1371/journal.pone.0044263

Figure 2. Structure of the calcium ATPase 1.

Figure 2

Left panel: cartoon representation of sarcoplasmic/endoplasmic reticulum calcium ATPase 1 (PDB ID: 1SU4) with cytosolic domain in the up side and transmembrane aspartic 59 and arginine 63 residues in spheres representation (C atom gray, O atom red and N atom blue). Membrane boundaries (dashed red lines) were obtained from the PPM Server [44]. Right panel: zoom view centered on the salt bridge between Asp59 and Arg63, dashed pink lines indicate O to N atom distances.