Chimera

Interactive visualization and analysis of molecular structures and related data, including density maps, supramolecular assemblies, sequence alignments, docking results, trajectories, and conformational ensembles. Computational capabilities include fitting molecules in maps, morphing between maps, structural superimposition, structure/sequence conservation mapping, surface electrostatics/analysis, H-bond analysis, distance/area/ volumetric analysis etc. etc. PDB format output.