Annotations: 3ITJ

Crystal structure of Saccharomyces cerevisiae thioredoxin reductase 1 (Trr1)

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	Tachylectin	e3itjD1	A: alpha arrays	X: Alpha-beta plaits	H: Phage tail protein-like	T: Transmembrane protein 14A	F: Tachylectin	ECOD (v295.2)
C	Tachylectin	e3itjC1	A: alpha arrays	X: Alpha-beta plaits	H: Phage tail protein-like	T: Transmembrane protein 14A	F: Tachylectin	ECOD (v295.2)
B	Tachylectin	e3itjB1	A: alpha arrays	X: Alpha-beta plaits	H: Phage tail protein-like	T: Transmembrane protein 14A	F: Tachylectin	ECOD (v295.2)
A	Pyrophosphatase	e3itjA1	A: alpha arrays	X: Immunoglobulin-like beta-sandwich	H: sensor domains	T: sensor domains	F: Pyrophosphatase	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	3.50.50.60	Alpha Beta	3-Layer(bba) Sandwich	FAD/NAD(P)-binding domain	FAD/NAD(P)-binding domain	CATH (4.3.0)
C	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	3.50.50.60	Alpha Beta	3-Layer(bba) Sandwich	FAD/NAD(P)-binding domain	FAD/NAD(P)-binding domain	CATH (4.3.0)
A	3.50.50.60	Alpha Beta	3-Layer(bba) Sandwich	FAD/NAD(P)-binding domain	FAD/NAD(P)-binding domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF00070	Pyridine nucleotide-disulphide oxidoreductase (Pyr_redox)	Pyridine nucleotide-disulphide oxidoreductase	This entry represents the N-terminal domain in putative Pyridine nucleotide-disulphide oxidoreductase N-terminal domain-containing proteins and proteins that contain NADH binding domains.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Thioredoxin reductase 1	thioredoxin-disulfide reductase (NADPH) activity protein-disulfide reductase [NAD(P)H] activity oxidoreductase activity, acting on a sulfur group of donors oxidoreductase activity disulfide oxidoreductase activity antioxidant activity catalytic activity, acting on a protein protein-disulfide reductase activity catalytic activity oxidoreductase activity, acting on a sulfur group of donors, NAD(P) as acceptor cation binding transition metal ion binding iron ion binding ion binding thioredoxin-disulfide reductase (NADPH) activity protein-disulfide reductase [NAD(P)H] activity oxidoreductase activity, acting on a sulfur group of donors oxidoreductase activity disulfide oxidoreductase activity antioxidant activity catalytic activity, acting on a protein protein-disulfide reductase activity catalytic activity oxidoreductase activity, acting on a sulfur group of donors, NAD(P) as acceptor cation binding transition metal ion binding iron ion binding ion binding binding ferrous iron binding metal ion binding small molecule binding	cell redox homeostasis cellular homeostasis homeostatic process cellular response to stimulus response to stimulus cellular response to oxidative stress detoxification reactive oxygen species metabolic process cellular response to chemical stress response to superoxide cellular oxidant detoxification cellular response to oxygen radical cellular response to reactive oxygen species cellular response to stress cell redox homeostasis cellular homeostasis homeostatic process cellular response to stimulus response to stimulus cellular response to oxidative stress detoxification reactive oxygen species metabolic process cellular response to chemical stress response to superoxide cellular oxidant detoxification cellular response to oxygen radical cellular response to reactive oxygen species cellular response to stress response to stress cellular detoxification response to oxygen-containing compound cellular response to oxygen-containing compound response to reactive oxygen species response to toxic substance removal of superoxide radicals superoxide metabolic process response to oxidative stress cellular response to chemical stimulus response to chemical cellular response to superoxide metabolic process cellular process cellular response to toxic substance response to oxygen radical	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle cytosol mitochondrial intermembrane space membrane-enclosed lumen intracellular organelle lumen organelle envelope lumen organelle envelope membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle cytosol mitochondrial intermembrane space membrane-enclosed lumen intracellular organelle lumen organelle envelope lumen organelle envelope organelle lumen mitochondrial envelope

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR005982	Thioredoxin reductase	Family
A, B, C, D	IPR036188	FAD/NAD(P)-binding domain superfamily	Homologous Superfamily
A, B, C, D	IPR050097	Ferredoxin--NADP / Thioredoxin reductase	Family
A, B, C, D	IPR008255	Pyridine nucleotide-disulphide oxidoreductase, class-II, active site	Active Site
A, B, C, D	IPR023753	FAD/NAD(P)-binding domain	Domain

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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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.