7BKE

Formate dehydrogenase - heterodisulfide reductase - formylmethanofuran dehydrogenase complex from Methanospirillum hungatei (heterodisulfide reductase core and mobile arm in conformational state 2, composite structure)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, D (A, a)	CoB--CoM heterodisulfide reductase iron-sulfur subunit A	polymer	671	72885.1	2	UniProt (Q2FKZ1) Pfam (PF12831) Pfam (PF13187) Pfam (PF12838)	Methanospirillum hungatei JF-1
2	B, G (C, c)	CoB--CoM heterodisulfide reductase subunit C	polymer	191	21707.0	2	UniProt (Q2FKZ3) Pfam (PF13183)	Methanospirillum hungatei JF-1
3	C, H (B, b)	CoB--CoM heterodisulfide reductase subunit B	polymer	296	32930.9	2	UniProt (Q2FKZ2) Pfam (PF02754)	Methanospirillum hungatei JF-1
4	E (F)	F420-non-reducing hydrogenase subunit D	polymer	140	15692.4	1	UniProt (Q2FKZ0) Pfam (PF02662)	Methanospirillum hungatei JF-1
5	F (E)	Formate dehydrogenase, beta subunit (F420)	polymer	414	45639.9	1	UniProt (Q2FME3) Pfam (PF04422) Pfam (PF04432)	Methanospirillum hungatei JF-1
6	I (D)	Formate dehydrogenase	polymer	686	75911.4	1	UniProt (Q2FRK1) Pfam (PF04879) Pfam (PF00384) Pfam (PF01568)	Methanospirillum hungatei JF-1
7	AA, BA, CA, EA, FA... (E, c, D, A, C...)	IRON/SULFUR CLUSTER	non-polymer		351.6	18	Chemie (SF4)
8	DA, K, S (E, A, a)	FLAVIN-ADENINE DINUCLEOTIDE	non-polymer		785.5	3	Chemie (FAD)
9	GA, HA, P, Q (b, B)	Non-cubane [4Fe-4S]-cluster	non-polymer		351.6	4	Chemie (9S8)
10	Y (F)	FE2/S2 (INORGANIC) CLUSTER	non-polymer		175.8	1	Chemie (FES)

Contents of the asymmetric unit

Polymers	Number of chains	9
	Total formula weight	392289.7
Non-Polymers*	Number of molecules	26
	Total formula weight	10268.5
All*	Total formula weight	402558.2

*Water molecules are not included.