4KPU

Electron transferring flavoprotein of Acidaminococcus fermentans: Towards a mechanism of flavin-based electron bifurcation

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Electron transfer flavoprotein alpha subunit	polymer	346	37932.2	1	UniProt (D2RIQ3) Pfam (PF01012) Pfam (PF00766) In PDB	Acidaminococcus fermentans
2	B	Electron transfer flavoprotein alpha/beta-subunit	polymer	263	28428.9	1	UniProt (D2RIQ2) Pfam (PF01012) In PDB	Acidaminococcus fermentans
3	A, B	FLAVIN-ADENINE DINUCLEOTIDE	non-polymer		785.5	2	Chemie (FAD)
4	A	CHLORIDE ION	non-polymer		35.5	1	Chemie (CL)
5		water	water		18.0	597	Chemie (HOH)

Sequence modifications

A: 1 - 340 (UniProt: D2RIQ3)

PDB	External Database	Details
His 341	-	expression tag
His 342	-	expression tag
His 343	-	expression tag
His 344	-	expression tag
His 345	-	expression tag
His 346	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	66361.1
Non-Polymers*	Number of molecules	3
	Total formula weight	1606.6
All*	Total formula weight	67967.6

*Water molecules are not included.