7KOE

Electron bifurcating flavoprotein Fix/EtfABCX

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, E	Electron transfer flavoprotein, beta subunit	polymer	296	33004.0	2	UniProt (Q9X1L6) Pfam (PF01012) In PDB	Thermotoga maritima (strain ATCC 43589 / MSB8 / DSM 3109 / JCM 10099)
2	B, F	Electron transfer flavoprotein, alpha subunit	polymer	338	36801.8	2	UniProt (R4P3F4) In PDB	Thermotoga maritima (strain ATCC 43589 / MSB8 / DSM 3109 / JCM 10099)
3	C, G	Electron transfer flavoprotein-quinone oxidoreductase FixC	polymer	438	49040.8	2	UniProt (R4P168) In PDB	Thermotoga maritima (strain ATCC 43589 / MSB8 / DSM 3109 / JCM 10099)
4	D, H	Ferredoxin-like protein	polymer	92	10730.2	2	UniProt (R4NRM2) In PDB	Thermotoga maritima (strain ATCC 43589 / MSB8 / DSM 3109 / JCM 10099)
5	A, B, C, E, F...	FLAVIN-ADENINE DINUCLEOTIDE	non-polymer		785.5	6	Chemie (FAD)
6	C, G	MENAQUINONE-7	non-polymer		649.0	2	Chemie (MQ7)
7	D, H	IRON/SULFUR CLUSTER	non-polymer		351.6	4	Chemie (SF4)

Sequence modifications

A, E: 2 - 285 (UniProt: Q9X1L6)

PDB	External Database	Details
Met -10	-	expression tag
Ala -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag
Ala 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	259153.4
Non-Polymers*	Number of molecules	12
	Total formula weight	7417.9
All*	Total formula weight	266571.3

*Water molecules are not included.