. . . "Definition: A feature on a sequence relevant to an interaction, such as a binding site or post-translational modification.\nExamples: A phosphorylation on a protein."^^ . "Definition: A feature on a sequence relevant to an interaction, such as a binding site or post-translational modification.\nExamples: A phosphorylation on a protein."^^ . "Definition: A feature on a sequence relevant to an interaction, such as a binding site or post-translational modification.\nExamples: A phosphorylation on a protein."^^ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .