Annotations: 2ZZC

Crystal structure of NADP(H):human thioredoxin reductase I

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	MTHFR	e2zzcA1	A: beta barrels	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: MTHFR	ECOD (v294.2)
B	MoeA_C	e2zzcB4	A: beta barrels	X: DEATH domain	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: MoeA_C	ECOD (v294.2)
C	MTHFR	e2zzcC1	A: beta barrels	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: MTHFR	ECOD (v294.2)
D	MoeA_C	e2zzcD4	A: beta barrels	X: DEATH domain	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: MoeA_C	ECOD (v294.2)

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)
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)
C	3.30.390.30	Alpha Beta	2-Layer Sandwich	Enolase-like	domain 1	CATH (4.3.0)
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)
D	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, C, D	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, C, D	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, C, D	Thioredoxin reductase 1, cytoplasmic	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 FAD binding flavin adenine dinucleotide binding binding nucleoside phosphate 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 FAD binding flavin adenine dinucleotide binding binding nucleoside phosphate binding ion binding anion binding nucleotide binding heterocyclic compound binding small molecule binding peroxidase activity oxidoreductase activity, acting on peroxide as acceptor NADPH peroxidase activity identical protein binding protein binding	cell redox homeostasis cellular homeostasis homeostatic process cell population proliferation cellular process cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus signaling biological regulation signal transduction cell communication developmental process cell redox homeostasis cellular homeostasis homeostatic process cell population proliferation cellular process cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus signaling biological regulation signal transduction cell communication developmental process multicellular organismal process formation of primary germ layer mesoderm morphogenesis embryonic morphogenesis tissue development embryo development gastrulation tissue morphogenesis anatomical structure morphogenesis multicellular organism development anatomical structure development anatomical structure formation involved in morphogenesis mesoderm formation mesoderm development	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle extracellular exosome extracellular vesicle extracellular organelle extracellular region vesicle extracellular membrane-bounded organelle membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle extracellular exosome extracellular vesicle extracellular organelle extracellular region vesicle extracellular membrane-bounded organelle cytosol nucleus membrane-enclosed lumen intracellular membraneless organelle nucleolus intracellular organelle lumen organelle lumen fibrillar center membraneless organelle nuclear lumen nucleoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR004099	Pyridine nucleotide-disulphide oxidoreductase, dimerisation domain	Domain
A, B, C, D	IPR046952	Glutathione reductase/thioredoxin reductase-like	Family
A, B, C, D	IPR016156	FAD/NAD-linked reductase, dimerisation domain superfamily	Homologous Superfamily
A, B, C, D	IPR036188	FAD/NAD(P)-binding domain superfamily	Homologous Superfamily
A, B, C, D	IPR002109	Glutaredoxin	Domain
A, B, C, D	IPR023753	FAD/NAD(P)-binding domain	Domain
A, B, C, D	IPR006338	Thioredoxin/glutathione reductase selenoprotein	Family
A, B, C, D	IPR012999	Pyridine nucleotide-disulphide oxidoreductase, class I, active site	Active Site
A, B, C, D	IPR036249	Thioredoxin-like superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, C, D	: Q16881	follicular thyroid adenoma microcystic adenoma Carcinoma, Lewis Lung papillary adenoma adenoma colorectal cancer contact dermatitis epilepsy osteoarthritis ovarian cancer tuberculosis benign mesothelioma colorectal carcinoma lung cancer myocardial ischemia follicular thyroid adenoma microcystic adenoma Carcinoma, Lewis Lung papillary adenoma adenoma colorectal cancer contact dermatitis epilepsy osteoarthritis ovarian cancer tuberculosis benign mesothelioma colorectal carcinoma lung cancer myocardial ischemia osteoarthritis susceptibility 1 pancreatic intraductal papillary-mucinous neoplasm acute promyelocytic leukemia coronary artery disease esophageal adenocarcinoma mesothelioma myopathy Barrett esophagus

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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.