6GND

Crystal structure of the complex of a Ferredoxin-Flavin Thioredoxin Reductase and a Thioredoxin from Clostridium acetobutylicum at 2.9 A resolution

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C, E, G (A, C, E, G)	Thioredoxin reductase	polymer	288	31691.3	4	UniProt (Q97EM8) Pfam (PF07992)	Clostridium acetobutylicum ATCC 824
2	B, D, F, H (B, D, F, H)	Thioredoxin	polymer	108	11846.5	4	UniProt (Q97EM7) Pfam (PF00085)	Clostridium acetobutylicum ATCC 824
3	I, J, L, M (A, C, E, G)	FLAVIN-ADENINE DINUCLEOTIDE	non-polymer		785.5	4	Chemie (FAD)
4	K, N (C, G)	1,2-ETHANEDIOL	non-polymer		62.1	2	Chemie (EDO)
5	O, P, Q, R, S... (A, B, C, E, F...)	water	water		18.0	67	Chemie (HOH)

Sequence modifications

A, C, E, G: 1 - 285 (UniProt: Q97EM8)

PDB	External Database	Details
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag
Ser 131	Cys 131	engineered mutation

B, D, F, H: 1 - 105 (UniProt: Q97EM7)

PDB	External Database	Details
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag
Ser 33	Cys 33	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	174151.5
Non-Polymers*	Number of molecules	6
	Total formula weight	3266.3
All*	Total formula weight	177417.8

*Water molecules are not included.