7C2B

Crystal structure of ferredoxin: thioredoxin reductase and thioredoxin f2 complex

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
C	d7c2bc_	Alpha and beta proteins (a/b)	Thioredoxin fold	Thioredoxin-like	Thioltransferase	automated matches	Mouse-ear cress (Arabidopsis thaliana ) [TaxId: 3702 ],	SCOPe (2.08)
A	d7c2ba_	Small proteins	Ferredoxin thioredoxin reductase (FTR), catalytic beta chain	Ferredoxin thioredoxin reductase (FTR), catalytic beta chain	Ferredoxin thioredoxin reductase (FTR), catalytic beta chain	Ferredoxin thioredoxin reductase (FTR), catalytic beta chain	Mouse-ear cress (Arabidopsis thaliana ) [TaxId: 3702 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C	SCOP2 Family	Thioltransferase	8100725	4000237	SCOP2 (2022-06-29)
C	SCOP2 Superfamily	Thioredoxin-like	8100726	3000031	SCOP2 (2022-06-29)
A	SCOP2B Superfamily	Ferredoxin thioredoxin reductase (FTR), catalytic beta chain	8100652	3001072	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C	Thioredoxin	e7c2bC1	A: a+b three layers	X: Thioredoxin-like	H: Thioredoxin-like (From Topology)	T: Thioredoxin-like	F: Thioredoxin	ECOD (1.6)
A	FeThRed_B	e7c2bA1	A: few secondary structure elements	X: Ferredoxin thioredoxin reductase (FTR), catalytic beta chain (From Topology)	H: Ferredoxin thioredoxin reductase (FTR), catalytic beta chain (From Topology)	T: Ferredoxin thioredoxin reductase (FTR), catalytic beta chain	F: FeThRed_B	ECOD (1.6)
B	FeThRed_A	e7c2bB1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: FeThRed_A	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
C	PF00085	Thioredoxin (Thioredoxin)	Thioredoxin	Thioredoxins are small enzymes that participate in redox reactions, via the reversible oxidation of an active centre disulfide bond. Some members with only the active site are not separated from the noise.	Domain
A	PF02943	Ferredoxin thioredoxin reductase catalytic beta chain (FeThRed_B)	Ferredoxin thioredoxin reductase catalytic beta chain	-	Domain
B	PF02941	Ferredoxin thioredoxin reductase variable alpha chain (FeThRed_A)	Ferredoxin thioredoxin reductase variable alpha chain	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C	Thioredoxin F2, chloroplastic	enzyme regulator activity enzyme activator activity molecular function activator activity molecular function regulator activity	response to light stimulus response to light intensity response to stimulus response to radiation response to abiotic stimulus positive regulation of molecular function regulation of molecular function regulation of catalytic activity biological regulation positive regulation of catalytic activity cell redox homeostasis cellular homeostasis homeostatic process	membrane-bounded organelle intracellular organelle intracellular anatomical structure plastid organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle chloroplast plastid stroma chloroplast stroma
A	Ferredoxin-thioredoxin reductase catalytic chain, chloroplastic	oxidoreductase activity, acting on a sulfur group of donors oxidoreductase activity ferredoxin-thioredoxin reductase activity oxidoreductase activity, acting on a sulfur group of donors, iron-sulfur protein as acceptor catalytic activity oxidoreductase activity, acting on iron-sulfur proteins as donors iron-sulfur cluster binding binding 4 iron, 4 sulfur cluster binding metal cluster binding small molecule binding electron transfer activity cation binding ion binding oxidoreductase activity, acting on a sulfur group of donors oxidoreductase activity ferredoxin-thioredoxin reductase activity oxidoreductase activity, acting on a sulfur group of donors, iron-sulfur protein as acceptor catalytic activity oxidoreductase activity, acting on iron-sulfur proteins as donors iron-sulfur cluster binding binding 4 iron, 4 sulfur cluster binding metal cluster binding small molecule binding electron transfer activity cation binding ion binding metal ion binding	-	membrane-bounded organelle intracellular organelle intracellular anatomical structure plastid organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle chloroplast plastid stroma chloroplast stroma chloroplast envelope organelle envelope plastid envelope
B	Ferredoxin-thioredoxin reductase variable chain, chloroplastic	oxidoreductase activity catalytic activity	photosynthesis cellular metabolic process metabolic process cellular process	membrane-bounded organelle intracellular organelle intracellular anatomical structure plastid organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle chloroplast

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C	IPR017937	Thioredoxin, conserved site	Conserved Site
C	IPR013766	Thioredoxin domain	Domain
C	IPR036249	Thioredoxin-like superfamily	Homologous Superfamily
A	IPR036644	Ferredoxin thioredoxin reductase catalytic beta subunit superfamily	Homologous Superfamily
A	IPR004209	Ferredoxin thioredoxin reductase catalytic beta subunit	Family
B	IPR008990	Electron transport accessory-like domain superfamily	Homologous Superfamily
B	IPR044166	Ferredoxin-thioredoxin reductase, variable chain	Family
B	IPR004207	Ferredoxin thioredoxin reductase, alpha chain	Domain

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.