2.7.3.3	ADP + Nomega-phospho-L-Arg	the enzyme is a modulator of energetic reserves under starvation stress conditions, activity is post-transcriptionally regulated	Trypanosoma cruzi	ATP + L-arginine	-	?	370524	
2.7.3.3	ADP + Nomega-phospho-L-Arg	the enzyme is an important component of the energy releasing mechanism in the visual system that has high and fluctuating energy demands	Apis mellifera	ATP + L-arginine	-	?	370524	
2.7.3.3	ADP + Nomega-phospho-L-Arg	-	Lucilia cuprina	ATP + L-Arg	-	r	422749	
2.7.3.3	ADP + Nomega-phospho-L-arginine	-	Limulus polyphemus	ATP + L-arginine	-	?	379166	
2.7.3.3	ADP + Nomega-phospho-L-arginine	-	Manduca sexta	ATP + L-arginine	-	r	379166	
2.7.3.3	ADP + Nomega-phospho-L-arginine	-	Tribolium castaneum	ATP + L-arginine	-	r	379166	
2.7.3.3	ADP + Nomega-phospho-L-arginine	-	Periplaneta americana	ATP + L-arginine	-	r	379166	
2.7.3.3	ADP + Nomega-phospho-L-arginine	-	Polybetes pythagoricus	ATP + L-arginine	-	r	379166	
2.7.3.3	ADP + omega-N-phospho-L-Arg	function: five residues predicted to interact with the substrate arginine (S77, Y82, E239, C285 and E328), and five residues predicted to interact with the substrate ADP (R138, R140, R243, R294 and R323). Arginine (or phosphagen) and MgATP (or MgADP), typically exhibit synergistic binding to arginine kinase	Cissites cephalotes	ATP + L-arginine	-	r	396354	
2.7.3.3	ATP + 4-guanidinebutanoic acid	8% of the activity with L-Arg	Sabella pavonina	ADP + N-phospho-4-guanidinobutanoic acid	-	?	358143