6C12

SDHA-SDHE complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C (B, A)	Succinate dehydrogenase flavoprotein subunit	polymer	588	64502.8	2	UniProt (P0AC41) Pfam (PF00890) Pfam (PF02910)	Escherichia coli (strain K12)
2	B, D (D, C)	FAD assembly factor SdhE	polymer	101	12050.6	2	UniProt (P64559) Pfam (PF03937)	Escherichia coli (strain K12)	Antitoxin CptB
3	E, G (B, A)	FLAVIN-ADENINE DINUCLEOTIDE	non-polymer		785.5	2	Chemie (FAD)
4	F, H (B, A)	SODIUM ION	non-polymer		23.0	2	Chemie (NA)
5	I, J, K, L (B, D, A, C)	water	water		18.0	357	Chemie (HOH)

Sequence modifications

D, C: 2 - 88 (UniProt: P64559)

PDB	External Database	Details
Met -12	-	expression tag
Gly -11	-	expression tag
Ser -10	-	expression tag
Ser -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
Ser -2	-	expression tag
Gln -1	-	expression tag
Asp 0	-	expression tag
Pro 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	153106.8
Non-Polymers*	Number of molecules	4
	Total formula weight	1617.1
All*	Total formula weight	154723.9

*Water molecules are not included.