4POL | pdb_00004pol

Crystal structures of thioredoxin with mesna at 2.8A resolution

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
Pharos: Disease Associations

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d4polb1	Alpha and beta proteins (a/b)	Thioredoxin fold	Thioredoxin-like	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d4polb2	Artifacts	Tags	Tags	Tags	N-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
C	d4polc1	Alpha and beta proteins (a/b)	Thioredoxin fold	Thioredoxin-like	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
C	d4polc2	Artifacts	Tags	Tags	Tags	N-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
D	d4pold1	Alpha and beta proteins (a/b)	Thioredoxin fold	Thioredoxin-like	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
D	d4pold2	Artifacts	Tags	Tags	Tags	N-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d4pola1	Alpha and beta proteins (a/b)	Thioredoxin fold	Thioredoxin-like	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d4pola2	Artifacts	Tags	Tags	Tags	N-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Thioredoxin-like	8042720	3000031	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Thioredoxin-like	8042720	3000031	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Thioredoxin-like	8042720	3000031	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Thioredoxin-like	8042720	3000031	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	Thioredoxin	e4polB1	A: a+b three layers	X: Thioredoxin-like	H: Thioredoxin-like (From Topology)	T: Thioredoxin-like	F: Thioredoxin	ECOD (1.6)
C	Thioredoxin	e4polC1	A: a+b three layers	X: Thioredoxin-like	H: Thioredoxin-like (From Topology)	T: Thioredoxin-like	F: Thioredoxin	ECOD (1.6)
D	Thioredoxin	e4polD1	A: a+b three layers	X: Thioredoxin-like	H: Thioredoxin-like (From Topology)	T: Thioredoxin-like	F: Thioredoxin	ECOD (1.6)
A	Thioredoxin	e4polA1	A: a+b three layers	X: Thioredoxin-like	H: Thioredoxin-like (From Topology)	T: Thioredoxin-like	F: Thioredoxin	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.40.30.10	Alpha Beta	3-Layer(aba) Sandwich	Glutaredoxin	Glutaredoxin	CATH (4.3.0)
C	3.40.30.10	Alpha Beta	3-Layer(aba) Sandwich	Glutaredoxin	Glutaredoxin	CATH (4.3.0)
D	3.40.30.10	Alpha Beta	3-Layer(aba) Sandwich	Glutaredoxin	Glutaredoxin	CATH (4.3.0)
A	3.40.30.10	Alpha Beta	3-Layer(aba) Sandwich	Glutaredoxin	Glutaredoxin	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	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

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Thioredoxin	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 identical protein binding protein binding binding protein homodimerization activity 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 identical protein binding protein binding binding protein homodimerization activity protein dimerization activity RNA binding nucleic acid binding	regulation of molecular function positive regulation of molecular function regulation of DNA binding regulation of binding biological regulation positive regulation of binding positive regulation of DNA binding cell redox homeostasis cellular homeostasis homeostatic process negative regulation of protein transport regulation of localization establishment of protein localization negative regulation of nucleocytoplasmic transport regulation of molecular function positive regulation of molecular function regulation of DNA binding regulation of binding biological regulation positive regulation of binding positive regulation of DNA binding cell redox homeostasis cellular homeostasis homeostatic process negative regulation of protein transport regulation of localization establishment of protein localization negative regulation of nucleocytoplasmic transport regulation of cellular process nucleocytoplasmic transport nuclear transport negative regulation of biological process negative regulation of intracellular protein transport negative regulation of transport localization establishment of localization in cell intracellular protein localization nuclear export regulation of protein export from nucleus regulation of intracellular transport regulation of biological process negative regulation of establishment of protein localization intracellular transport regulation of nucleocytoplasmic transport protein localization to nucleus protein export from nucleus establishment of localization maintenance of location regulation of intracellular protein transport intracellular protein transport maintenance of protein location cellular localization regulation of protein localization transport maintenance of location in cell maintenance of protein location in cell negative regulation of cellular process negative regulation of protein export from nucleus negative regulation of protein localization negative regulation of intracellular transport regulation of transport regulation of establishment of protein localization maintenance of protein location in nucleus regulation of protein transport protein transport regulation of cellular localization macromolecule localization protein localization to organelle cellular process maintenance of protein localization in organelle response to stimulus response to radiation response to abiotic stimulus RNA metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process transcription by RNA polymerase II negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of transcription by RNA polymerase II negative regulation of DNA-templated transcription negative regulation of transcription by RNA polymerase II negative regulation of metabolic process primary metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process negative regulation of RNA metabolic process cellular response to stimulus positive regulation of cell communication regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction positive regulation of signal transduction signaling positive regulation of biological process regulation of signal transduction intracellular signal transduction cell communication positive regulation of response to stimulus regulation of intracellular signal transduction intracellular signaling cassette signal transduction positive regulation of cellular process regulation of signaling positive regulation of intracellular signal transduction positive regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction regulation of response to stimulus regulation of cell communication phosphatidylinositol 3-kinase/protein kinase B signal transduction positive regulation of signaling cellular detoxification of hydrogen peroxide detoxification of inorganic compound detoxification cellular response to oxidative stress reactive oxygen species metabolic process cellular response to chemical stress cellular oxidant detoxification response to hydrogen peroxide cellular response to reactive oxygen species cellular response to stress response to stress cellular detoxification hydrogen peroxide metabolic process response to oxygen-containing compound cellular response to oxygen-containing compound response to reactive oxygen species cellular response to hydrogen peroxide response to toxic substance response to oxidative stress cellular response to chemical stimulus response to chemical detoxification of hydrogen peroxide cellular response to toxic substance response to nitric oxide response to nitrogen compound	cellular anatomical structure extracellular region extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle organelle extracellular space vesicle extracellular membrane-bounded organelle intracellular anatomical structure cytoplasm cytosol nucleus cellular anatomical structure extracellular region extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle organelle extracellular space vesicle extracellular membrane-bounded organelle intracellular anatomical structure cytoplasm cytosol nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle nucleoplasm organelle lumen nuclear lumen

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR013766	Thioredoxin domain	Domain
A, B, C, D	IPR005746	Thioredoxin	Family
A, B, C, D	IPR017937	Thioredoxin, conserved site	Conserved 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	Pharos: P10599	bronchopulmonary dysplasia acute lung injury liver disease malignant mesothelioma Neoplasm Invasiveness contact dermatitis pancreatic intraductal papillary-mucinous carcinoma polycystic ovary syndrome lung carcinoma myopathy oligodendroglioma pancreatic intraductal papillary-mucinous neoplasm amyotrophic lateral sclerosis cancer diabetes mellitus bronchopulmonary dysplasia acute lung injury liver disease malignant mesothelioma Neoplasm Invasiveness contact dermatitis pancreatic intraductal papillary-mucinous carcinoma polycystic ovary syndrome lung carcinoma myopathy oligodendroglioma pancreatic intraductal papillary-mucinous neoplasm amyotrophic lateral sclerosis cancer diabetes mellitus ovarian cancer plasma cell myeloma astrocytic tumor Duchenne muscular dystrophy lung cancer malignant pancreatic neoplasm

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.