... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > carbon group molecular entity > organic molecular entity > biomacromolecule > information biomacromolecule > protein > conjugated protein > metalloprotein > iron protein > iron-sulfur protein > ferredoxin > oxidized ferredoxin

... > chemical entity > molecular entity > polyatomic entity > macromolecule > biomacromolecule > information biomacromolecule > protein > conjugated protein > metalloprotein > iron protein > iron-sulfur protein > ferredoxin > oxidized ferredoxin