9CU0

Azotobacter vinelandii 1:1:1 MoFeP:FeP:FeSII-Complex (C1 symmetry)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C (A, C)	Nitrogenase molybdenum-iron protein alpha chain	polymer	492	55363.0	2	UniProt (P07328) Pfam (PF00148)	Azotobacter vinelandii	Dinitrogenase,Nitrogenase component I
2	B, D (B, D)	Nitrogenase molybdenum-iron protein beta chain	polymer	523	59535.9	2	UniProt (P07329) Pfam (PF11844) Pfam (PF00148)	Azotobacter vinelandii	Dinitrogenase, Nitrogenase component I
3	E, F (E, F)	Nitrogenase iron protein 1	polymer	290	31548.2	2	UniProt (P00459) Pfam (PF00142)	Azotobacter vinelandii	Nitrogenase Fe protein 1,Nitrogenase component II,Nitrogenase reductase
4	G (G)	Protein FeSII	polymer	122	13289.3	1	UniProt (Q44501) Pfam (PF00111)	Azotobacter vinelandii	FeSII,Shethna protein FeSII
5	H, M (A, C)	3-HYDROXY-3-CARBOXY-ADIPIC ACID	non-polymer		206.2	2	Chemie (HCA)
6	I, N (A, C)	iron-sulfur-molybdenum cluster with interstitial carbon	non-polymer		787.5	2	Chemie (ICS)
7	J, O (A, D)	FE(8)-S(7) CLUSTER	non-polymer		671.2	2	Chemie (CLF)
8	K, L (B)	FE (III) ION	non-polymer		55.8	2	Chemie (FE)
9	P, S (E, F)	ADENOSINE-5'-DIPHOSPHATE	non-polymer		427.2	2	Chemie (ADP)
10	Q, T (E, F)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
11	R (F)	IRON/SULFUR CLUSTER	non-polymer		351.6	1	Chemie (SF4)
12	U (G)	FE2/S2 (INORGANIC) CLUSTER	non-polymer		175.8	1	Chemie (FES)
13	AA, BA, V, W, X... (F, G, A, B, C...)	water	water		18.0	136	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	7
	Total formula weight	306183.7
Non-Polymers*	Number of molecules	14
	Total formula weight	4871.8
All*	Total formula weight	311055.4

*Water molecules are not included.