1.4.1.13	Fe2+	2[4Fe-4S]-containing enzyme	725401	
1.4.1.13	Iron	12.1 mol of non-heme iron per enzyme protomer	391444	
1.4.1.13	Iron	7.4 g-atoms of non-heme iron per mol of enzyme	391459	
1.4.1.13	Iron	8.1 iron atoms per MW 185000	391446	
1.4.1.13	Iron	8.1 iron atoms per MW 220000	391449	
1.4.1.13	Iron	contains (Fe-S)II and (Fe-S)III as [4Fe-4 S] clusters	391444	
1.4.1.13	Iron	contains 12.05 mol Fe2+ per mol alphabeta protomer	391467	
1.4.1.13	Iron	contains 38.4 mol of iron	391438	
1.4.1.13	Iron	contains 7.5 mol of nonheme iron	391440	
1.4.1.13	Iron	contains three different iron-sulfur clusters	676332