1.13.12.7	firefly luciferase	photophore	specifically expressed in the light organ	765518	
1.13.12.8	Watasenia-luciferin 2-monooxygenase	photophore	-	439322	
1.13.12.8	Watasenia-luciferin 2-monooxygenase	photophore	arm photophore	745174	
1.13.12.8	Watasenia-luciferin 2-monooxygenase	photophore	photophores at the tips of two arms, the photophores are densely packed with protein microcrystals that catalyse the bioluminescent reaction using ATP and the substrate coelenterazine disulfate	746453