Annotations: 1GES

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1gesa2	Alpha and beta proteins (a/b)	FAD/NAD(P)-binding domain	FAD/NAD(P)-binding domain	FAD/NAD-linked reductases, N-terminal and central domains	Glutathione reductase, middle domain	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A	d1gesa1	Alpha and beta proteins (a/b)	FAD/NAD(P)-binding domain	FAD/NAD(P)-binding domain	FAD/NAD-linked reductases, N-terminal and central domains	Glutathione reductase, N- and C-terminal domain	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A	d1gesa3	Alpha and beta proteins (a+b)	CO dehydrogenase flavoprotein C-domain-like	FAD/NAD-linked reductases, dimerisation (C-terminal) domain	FAD/NAD-linked reductases, dimerisation (C-terminal) domain	Glutathione reductase	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d1gesb2	Alpha and beta proteins (a/b)	FAD/NAD(P)-binding domain	FAD/NAD(P)-binding domain	FAD/NAD-linked reductases, N-terminal and central domains	Glutathione reductase, middle domain	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d1gesb1	Alpha and beta proteins (a/b)	FAD/NAD(P)-binding domain	FAD/NAD(P)-binding domain	FAD/NAD-linked reductases, N-terminal and central domains	Glutathione reductase, N- and C-terminal domain	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d1gesb3	Alpha and beta proteins (a+b)	CO dehydrogenase flavoprotein C-domain-like	FAD/NAD-linked reductases, dimerisation (C-terminal) domain	FAD/NAD-linked reductases, dimerisation (C-terminal) domain	Glutathione reductase	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	GSR C-terminal domain-like	8056212	3000028	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Thioredoxin reductase-like	8056211	3000050	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Thioredoxin reductase-like	8056211	3000050	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	GSR C-terminal domain-like	8056212	3000028	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)
A	Pyr_redox_dim	e1gesA1	A: a+b two layers	X: FAD-linked reductases, C-terminal domain-like	H: FAD/NAD-linked reduatases, dimerisation (C-terminal) domain (From Topology)	T: FAD/NAD-linked reduatases, dimerisation (C-terminal) domain	F: Pyr_redox_dim	ECOD (1.6)
A	Pyr_redox_2_1	e1gesA3	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: Pyr_redox_2_1	ECOD (1.6)
A	Pyr_redox_2	e1gesA2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: Pyr_redox_2	ECOD (1.6)
B	Pyr_redox_dim	e1gesB1	A: a+b two layers	X: FAD-linked reductases, C-terminal domain-like	H: FAD/NAD-linked reduatases, dimerisation (C-terminal) domain (From Topology)	T: FAD/NAD-linked reduatases, dimerisation (C-terminal) domain	F: Pyr_redox_dim	ECOD (1.6)
B	Pyr_redox_2_1	e1gesB3	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: Pyr_redox_2_1	ECOD (1.6)
B	Pyr_redox_2	e1gesB2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: Pyr_redox_2	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.50.50.60	Alpha Beta	3-Layer(bba) Sandwich	FAD/NAD(P)-binding domain	FAD/NAD(P)-binding domain	CATH (4.3.0)
A	3.30.390.30	Alpha Beta	2-Layer Sandwich	Enolase-like	domain 1	CATH (4.3.0)
B	3.50.50.60	Alpha Beta	3-Layer(bba) Sandwich	FAD/NAD(P)-binding domain	FAD/NAD(P)-binding domain	CATH (4.3.0)
B	3.30.390.30	Alpha Beta	2-Layer Sandwich	Enolase-like	domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00070	Pyridine nucleotide-disulphide oxidoreductase (Pyr_redox)	Pyridine nucleotide-disulphide oxidoreductase	This family includes both class I and class II oxidoreductases and also NADH oxidases and peroxidases. This domain is actually a small NADH binding domain within a larger FAD binding domain.	Domain
A, B	PF02852	Pyridine nucleotide-disulphide oxidoreductase, dimerisation domain (Pyr_redox_dim)	Pyridine nucleotide-disulphide oxidoreductase, dimerisation domain	This family includes both class I and class II oxidoreductases and also NADH oxidases and peroxidases.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	GLUTATHIONE REDUCTASE	binding nucleoside phosphate binding purine nucleotide binding organic cyclic compound binding adenyl nucleotide binding nucleotide binding heterocyclic compound binding NADP binding small molecule binding FAD binding flavin adenine dinucleotide binding ion binding anion binding oxidoreductase activity, acting on a sulfur group of donors binding nucleoside phosphate binding purine nucleotide binding organic cyclic compound binding adenyl nucleotide binding nucleotide binding heterocyclic compound binding NADP binding small molecule binding FAD binding flavin adenine dinucleotide binding ion binding anion binding oxidoreductase activity, acting on a sulfur group of donors disulfide oxidoreductase activity oxidoreductase activity glutathione-disulfide reductase (NADPH) activity antioxidant activity glutathione disulfide oxidoreductase activity catalytic activity oxidoreductase activity, acting on a sulfur group of donors, NAD(P) as acceptor	cell redox homeostasis cellular homeostasis homeostatic process glutathione metabolic process modified amino acid metabolic process metabolic process cellular process sulfur compound metabolic process amide metabolic process cellular response to stimulus response to oxidative stress cellular response to chemical stimulus response to stimulus cellular response to stress cell redox homeostasis cellular homeostasis homeostatic process glutathione metabolic process modified amino acid metabolic process metabolic process cellular process sulfur compound metabolic process amide metabolic process cellular response to stimulus response to oxidative stress cellular response to chemical stimulus response to stimulus cellular response to stress response to stress response to chemical cellular response to oxidative stress cellular response to chemical stress	cellular anatomical structure membrane intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR004099	Pyridine nucleotide-disulphide oxidoreductase, dimerisation domain	Domain
A, B	IPR046952	Glutathione reductase/thioredoxin reductase-like	Family
A, B	IPR001100	Pyridine nucleotide-disulphide oxidoreductase, class I	Family
A, B	IPR016156	FAD/NAD-linked reductase, dimerisation domain superfamily	Homologous Superfamily
A, B	IPR006322	Glutathione reductase, eukaryote/bacterial	Family
A, B	IPR036188	FAD/NAD(P)-binding domain superfamily	Homologous Superfamily
A, B	IPR023753	FAD/NAD(P)-binding domain	Domain
A, B	IPR012999	Pyridine nucleotide-disulphide oxidoreductase, class I, active site	Active Site

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 R01GM157729.