PDBID	Molecule/ Organism	Pfam	Residues	HETATM	Symmetry	Pubmed	View
4wes	NITROGENASE MOLYBDENUM-IRON PROTEIN ALPHA CHAIN NITROGENASE MOLYBDENUM-IRON PROTEIN BETA CHAIN Clostridium pasteurianum	Oxidored_nitro	CYS A 145 CYS B  48 CYS B 106	CLF A 604	heteromer cyclic	25664737
4wza	NITROGENASE MOLYBDENUM-IRON PROTEIN ALPHA CHAIN NITROGENASE MOLYBDENUM-IRON PROTEIN BETA CHAIN Azotobacter vinelandii	DUF3364 Oxidored_nitro Oxidored_nitro	CYS A 154 CYS B  95 CYS B 153	CLF A1498	heteromer cyclic	25522159
5koh	NITROGENASE FEMO BETA SUBUNIT PROTEIN NIFK NITROGENASE PROTEIN ALPHA CHAIN Gluconacetobacter diazotrophicus	DUF3364 Oxidored_nitro Oxidored_nitro	CYS A 170 CYS B  94 CYS B 152	CLF A 505	heteromer cyclic	27487256
6fea	NITROGENASE PROTEIN ALPHA CHAIN VANADIUM NITROGENASE BETA SUBUNIT, VNFK Azotobacter vinelandii	Oxidored_nitro	CYS A 138 CYS B  56 CYS B 115	CLF A 506	heteromer cyclic	29599235