photoreceptor activity
The function of absorbing and responding to incidental electromagnetic radiation, particularly visible light. The response may involve a change in conformation.
GO:0038023
signaling receptor activity
is_a
UV-sensitive opsin
narrow
blue-sensitive opsin
narrow
green-sensitive opsin
narrow
long-wave-sensitive opsin
narrow
opsin
narrow
red-sensitive opsin
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short-wave-sensitive opsin
narrow
violet-sensitive opsin
narrow