Fig. 5From: Positive selection in octopus haemocyanin indicates functional links to temperature adaptationSteric arrangement of positively selected sites in octopus haemocyanin. The 3D model represents the haemocyanin molecule of the functional unit g of Enteroctopus dofleini ([PDB: 1JS8], [24]). Positively selected sites were marked red and labelled with its residue number. Copper ligand histidines were marked blue. Due to strong homology, positions of positively selected sites from functional unit f could be mapped onto the FU g 3D structure. 3D structures below illustrate positively selected sites located at the protein surfaceBack to article page