. . . "Definition: A DNA, RNA or protein participant in an interaction.\nComment: See physicalEntityParticipant for more documentation."^^ . "Definition: A DNA, RNA or protein participant in an interaction.\nComment: See physicalEntityParticipant for more documentation."^^ . "Definition: A DNA, RNA or protein participant in an interaction.\nComment: See physicalEntityParticipant for more documentation."^^ . . . .