label: 3 iron, 4 sulfur cluster binding
label_lc: 3 iron, 4 sulfur cluster binding
description: "Binding to a 3 iron, 4 sulfur (3Fe-4S) cluster; this cluster consists of three iron atoms, with the inorganic sulfur atoms found between the irons and acting as bridging ligands. It is essentially a 4Fe-4S cluster with one iron missing."