1.2.7.6	Fe2+	-	692835	
1.2.7.6	Fe2+	1 [4Fe-4S]2+ cluster per enzyme molecule	644691, 644693	
1.2.7.6	Fe2+	5-6 iron g-atoms per mol of enzyme	644691, 644692	
1.2.7.6	Fe2+	determination of the redox potential	644693	
1.2.7.6	Fe2+	enzyme contains iron-sulfur cluster	644692, 644694	
1.2.7.6	Mg2+	contains 1 molecule per enzyme	644691	
1.2.7.6	Mo5+	molybdenum can in be incorporated, Mo(V) signal is observed in electron paramagnetic resonance	745210	
1.2.7.6	S2-	Mo-GAPOR expressed in Escherichia coli strain BL21(DE3) is estimated to contain 6.1 g-atoms of acid-labile sulfide per mol of protein	692835	
1.2.7.6	Tungsten	0.85 tungsten g-atoms per mol of enzyme, part of a tungsten-molybdopterin cofactor	644692	
1.2.7.6	Tungsten	1 tungsten center per molecule of enzyme	644691, 644693	
1.2.7.6	Tungsten	determination of the redox potential	644693	
1.2.7.6	Tungsten	large subunit GOR-L contains a single tungstopterin site and one iron-sulfur [4Fe-4S] cluster	763266	
1.2.7.6	Tungsten	single tungsten environment is afforded for the reaction	644694	
1.2.7.6	Zn2+	contains 2 molecules per enzyme	644691