. . . . . . . . . . "MSH: The location of the atoms, groups or ions relative to one another in a molecule, as well as the number, type and location of covalent bonds.,NCI: Any very large complex molecule including, proteins, nucleic acids and carbohydrates, especially refering to the particular arrangement of its component atoms and groups." . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .