Term Name:	photoreceptor activity
Synonyms:	blue-sensitive opsin, green-sensitive opsin, long-wave-sensitive opsin, opsin, red-sensitive opsin, short-wave-sensitive opsin, UV-sensitive opsin, violet-sensitive opsin
Definition:	The function of absorbing and responding to incidental electromagnetic radiation, particularly visible light. The response may involve a change in conformation.
Ontology:	GO: Molecular Function [GO:0009881]    QuickGO    AmiGO