8ENN

Homocitrate-deficient nitrogenase MoFe-protein from Azotobacter vinelandii nifV knockout

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	477	54000.6	2	UniProt (P07328)	Azotobacter vinelandii DJ	Dinitrogenase,Nitrogenase component I
2	B, D (B, D)	Nitrogenase molybdenum-iron protein beta chain	polymer	522	59404.7	2	UniProt (C1DGZ8) UniProt (by SIFTS) (P07329)	Azotobacter vinelandii DJ	Dinitrogenase
3	E, I (A, C)	iron-sulfur-molybdenum cluster with interstitial carbon	non-polymer		787.5	2	Chemie (ICS)
4	F, L (B, D)	FE(8)-S(7) CLUSTER	non-polymer		671.2	2	Chemie (CLF)
5	G, M (B, D)	CHAPSO	non-polymer		631.9	2	Chemie (1N7) PubChem (16402373) PubChem (23636791) PubChem (23639399) PubChem (44119969) PubChem (50987332) PubChem (44660322) PubChem (71305076) PubChem (90479263) PubChem (96545191) PubChem (53393747) PubChem (124745618) PubChem (124901558) PubChem (124905421) PubChem (125027410) PubChem (10009199) PubChem (144605089) PubChem (71464051) PubChem (96327541) PubChem (96327542) PubChem (96327543) PubChem (96327544) PubChem (96545192) PubChem (102565431) PubChem (121392376) PubChem (122130148) PubChem (122146) PubChem (124901556) PubChem (124901561) PubChem (124901563) PubChem (124905422) PubChem (3253739) PubChem (125027411) PubChem (9895487) PubChem (129537355) PubChem (129537356) PubChem (145705472) PubChem (146030291) PubChem (146159852)
6	H, K (B, D)	FE (III) ION	non-polymer		55.8	2	Chemie (FE) PubChem (29936)
7	J (C)	CITRIC ACID	non-polymer		192.1	1	Chemie (CIT) PubChem (311)
8	N, O, P, Q (A, B, C, D)	water	water		18.0	858	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	226810.5
Non-Polymers*	Number of molecules	9
	Total formula weight	4484.9
All*	Total formula weight	231295.4

*Water molecules are not included.