1GXF

CRYSTAL STRUCTURE OF TRYPANOSOMA CRUZI TRYPANOTHIONE REDUCTASE IN COMPLEX WITH THE INHIBITOR QUINACRINE MUSTARD

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
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)
B	d1gxfb2	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	Trypanothione reductase, middle domain	(Trypanosoma cruzi ) [TaxId: 5693 ],	SCOPe (2.08)
B	d1gxfb1	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	Trypanothione reductase, N- and C-terminal domain	(Trypanosoma cruzi ) [TaxId: 5693 ],	SCOPe (2.08)
B	d1gxfb3	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	Trypanothione reductase	(Trypanosoma cruzi ) [TaxId: 5693 ],	SCOPe (2.08)
A	d1gxfa2	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	Trypanothione reductase, middle domain	(Trypanosoma cruzi ) [TaxId: 5693 ],	SCOPe (2.08)
A	d1gxfa1	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	Trypanothione reductase, N- and C-terminal domain	(Trypanosoma cruzi ) [TaxId: 5693 ],	SCOPe (2.08)
A	d1gxfa3	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	Trypanothione reductase	(Trypanosoma cruzi ) [TaxId: 5693 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	GSR C-terminal domain-like	8056218	3000028	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Thioredoxin reductase-like	8056217	3000050	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	GSR C-terminal domain-like	8056218	3000028	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Thioredoxin reductase-like	8056217	3000050	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)
B	PF02852	e1gxfB1	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: PF02852	ECOD (1.6)
B	PF00070	e1gxfB3	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: PF00070	ECOD (1.6)
B	PF07992	e1gxfB2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: PF07992	ECOD (1.6)
A	PF02852	e1gxfA1	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: PF02852	ECOD (1.6)
A	PF00070	e1gxfA3	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: PF00070	ECOD (1.6)
A	PF07992	e1gxfA2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: PF07992	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
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)
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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF07992	Pyridine nucleotide-disulphide oxidoreductase (Pyr_redox_2)	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	TRYPANOTHIONE REDUCTASE (OXIDIZED FORM)	oxidoreductase activity, acting on a sulfur group of donors oxidoreductase activity disulfide oxidoreductase activity trypanothione-disulfide reductase (NADPH) activity catalytic activity oxidoreductase activity, acting on a sulfur group of donors, NAD(P) as acceptor flavin adenine dinucleotide binding binding nucleoside phosphate binding ion binding organic cyclic compound binding anion binding nucleotide binding heterocyclic compound binding oxidoreductase activity, acting on a sulfur group of donors oxidoreductase activity disulfide oxidoreductase activity trypanothione-disulfide reductase (NADPH) activity catalytic activity oxidoreductase activity, acting on a sulfur group of donors, NAD(P) as acceptor flavin adenine dinucleotide binding binding nucleoside phosphate binding ion binding organic cyclic compound binding anion binding nucleotide binding heterocyclic compound binding small molecule binding	cell redox homeostasis cellular homeostasis homeostatic process	intracellular anatomical structure cytoplasm cellular anatomical entity

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	IPR023753	FAD/NAD(P)-binding domain	Domain
A, B	IPR016156	FAD/NAD-linked reductase, dimerisation domain superfamily	Homologous Superfamily
A, B	IPR036188	FAD/NAD(P)-binding domain superfamily	Homologous Superfamily
A, B	IPR001864	Trypanothione reductase	Family
A, B	IPR012999	Pyridine nucleotide-disulphide oxidoreductase, class I, active site	Active Site

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.