5N6Y

Azotobacter vinelandii vanadium nitrogenase

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, D	Nitrogenase vanadium-iron protein alpha chain	polymer	474	53951.6	2	UniProt (P16855) Pfam (PF00148) In PDB	Azotobacter vinelandii	Dinitrogenase 2 subunit alpha,Nitrogenase component I
2	E, B	Nitrogenase vanadium-iron protein beta chain	polymer	475	52839.5	2	UniProt (P16856) Pfam (PF00148) In PDB	Azotobacter vinelandii	Dinitrogenase 2 subunit beta,Nitrogenase component I
3	C, F	Nitrogenase vanadium-iron protein delta chain	polymer	113	13388.0	2	UniProt (P16857) Pfam (PF03139) In PDB	Azotobacter vinelandii	Dinitrogenase 2 subunit delta,Nitrogenase component I
4	A, D	3-HYDROXY-3-CARBOXY-ADIPIC ACID	non-polymer		206.2	2	Chemie (HCA)
5	A, D	C Fe7 S8 V	non-polymer		710.4	2	Chemie (8P8)
6	A, D	CARBONATE ION	non-polymer		60.0	2	Chemie (CO3)
7	A, E	FE(8)-S(7) CLUSTER	non-polymer		671.2	2	Chemie (CLF)
8	E, C, F	MAGNESIUM ION	non-polymer		24.3	4	Chemie (MG)
9		water	water		18.0	2249	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	240358.0
Non-Polymers*	Number of molecules	12
	Total formula weight	3392.7
All*	Total formula weight	243750.7

*Water molecules are not included.