1KF6

E. coli Quinol-Fumarate Reductase with Bound Inhibitor HQNO

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, E (A, M)	FUMARATE REDUCTASE FLAVOPROTEIN	polymer	602	66057.6	2	UniProt (P00363) Pfam (PF00890) Pfam (PF02910)	Escherichia coli
2	B, F (B, N)	FUMARATE REDUCTASE IRON-SULFUR PROTEIN	polymer	243	27021.9	2	UniProt (P0AC47) Pfam (PF13085) Pfam (PF13237)	Escherichia coli
3	C, G (C, O)	FUMARATE REDUCTASE 15 KDA HYDROPHOBIC PROTEIN	polymer	130	14898.8	2	UniProt (P0A8Q0) Pfam (PF02300)	Escherichia coli
4	D, H (D, P)	FUMARATE REDUCTASE 13 KDA HYDROPHOBIC PROTEIN	polymer	119	13118.9	2	UniProt (P0A8Q3) Pfam (PF02313)	Escherichia coli
5	I, S (A, M)	POTASSIUM ION	non-polymer		39.1	2	Chemie (K)
6	J, T (A, M)	OXALOACETATE ION	non-polymer		131.1	2	Chemie (OAA)
7	K, N, V (A, B, N)	ACETATE ION	non-polymer		59.0	3	Chemie (ACT)
8	L, U (A, M)	FLAVIN-ADENINE DINUCLEOTIDE	non-polymer		785.5	2	Chemie (FAD)
9	M (A)	PENTAETHYLENE GLYCOL	non-polymer		238.3	1	Chemie (1PE)
10	O, W (B, N)	FE2/S2 (INORGANIC) CLUSTER	non-polymer		175.8	2	Chemie (FES)
11	P, X (B, N)	FE3-S4 CLUSTER	non-polymer		295.8	2	Chemie (F3S)
12	Q, Y (B, N)	IRON/SULFUR CLUSTER	non-polymer		351.6	2	Chemie (SF4)
13	R, Z (C, N)	2-HEPTYL-4-HYDROXY QUINOLINE N-OXIDE	non-polymer		259.3	2	Chemie (HQO)
14	AA, BA, CA, DA, EA (O, P)	O-DODECANYL OCTAETHYLENE GLYCOL	non-polymer		538.8	5	Chemie (CE1)
15	FA, GA, HA, IA (A, B, M, N)	water	water		18.0	16	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	242194.2
Non-Polymers*	Number of molecules	23
	Total formula weight	7185.8
All*	Total formula weight	249380.0

*Water molecules are not included.