1XSM | pdb_00001xsm

PROTEIN R2 OF RIBONUCLEOTIDE REDUCTASE FROM MOUSE

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)
A	d1xsma_	All alpha proteins	Ferritin-like	Ferritin-like	Ribonucleotide reductase-like	Ribonucleotide reductase R2	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Ferritin-like	8041681	3001658	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		e1xsmA1	A: a/b three-layered sandwiches	X: ETN0001 domain-like	H: Flavivirus capsid protein C	T: Flavivirus capsid protein C	F:	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.620.20	Mainly Alpha	Orthogonal Bundle	Ribonucleotide Reductase, subunit A	Ribonucleotide Reductase, subunit A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00268	Ribonucleotide reductase, small chain (Ribonuc_red_sm)	Ribonucleotide reductase, small chain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	RIBONUCLEOTIDE REDUCTASE R2	ribonucleoside-diphosphate reductase activity oxidoreductase activity oxidoreductase activity, acting on CH or CH2 groups oxidoreductase activity, acting on CH or CH2 groups, disulfide as acceptor ribonucleoside-diphosphate reductase activity, thioredoxin disulfide as acceptor catalytic activity identical protein binding protein binding binding protein homodimerization activity protein dimerization activity cation binding ferric iron binding transition metal ion binding ribonucleoside-diphosphate reductase activity oxidoreductase activity oxidoreductase activity, acting on CH or CH2 groups oxidoreductase activity, acting on CH or CH2 groups, disulfide as acceptor ribonucleoside-diphosphate reductase activity, thioredoxin disulfide as acceptor catalytic activity identical protein binding protein binding binding protein homodimerization activity protein dimerization activity cation binding ferric iron binding transition metal ion binding iron ion binding ion binding metal ion binding small molecule binding	regulation of biological process cell population proliferation regulation of cellular process positive regulation of cell population proliferation regulation of cell population proliferation biological regulation positive regulation of biological process cellular process positive regulation of cellular process protein-containing complex organization protein heterotetramerization cellular component organization cellular component biogenesis cellular component assembly regulation of biological process cell population proliferation regulation of cellular process positive regulation of cell population proliferation regulation of cell population proliferation biological regulation positive regulation of biological process cellular process positive regulation of cellular process protein-containing complex organization protein heterotetramerization cellular component organization cellular component biogenesis cellular component assembly protein complex oligomerization protein tetramerization protein-containing complex assembly cellular component organization or biogenesis protein heterooligomerization deoxyribonucleotide metabolic process metabolic process nucleoside phosphate metabolic process primary metabolic process nucleobase-containing compound metabolic process nucleoside diphosphate metabolic process organophosphate metabolic process nucleobase-containing small molecule metabolic process ribonucleoside diphosphate metabolic process phosphate-containing compound metabolic process small molecule metabolic process phosphorus metabolic process carbohydrate derivative biosynthetic process deoxyribose phosphate biosynthetic process nucleotide biosynthetic process 2'-deoxyribonucleotide metabolic process 2'-deoxyribonucleotide biosynthetic process carbohydrate derivative metabolic process nucleotide metabolic process nucleobase-containing compound biosynthetic process biosynthetic process organophosphate biosynthetic process nucleoside phosphate biosynthetic process regulation of cell cycle phase transition cell cycle phase transition regulation of cell cycle G1/S phase transition cell cycle G1/S phase transition mitotic cell cycle regulation of mitotic cell cycle positive regulation of mitotic cell cycle phase transition positive regulation of cell cycle process positive regulation of mitotic cell cycle cell cycle regulation of cell cycle cell cycle process positive regulation of G1/S transition of mitotic cell cycle regulation of cell cycle process positive regulation of cell cycle regulation of mitotic cell cycle phase transition positive regulation of cell cycle G1/S phase transition mitotic cell cycle process regulation of G1/S transition of mitotic cell cycle positive regulation of cell cycle phase transition G1/S transition of mitotic cell cycle mitotic cell cycle phase transition deoxyribonucleotide biosynthetic process	protein-containing complex cellular anatomical structure intracellular anatomical structure catalytic complex oxidoreductase complex cytoplasm cytosol ribonucleoside-diphosphate reductase complex membrane-bounded organelle intracellular organelle organelle envelope organelle nuclear envelope nucleus protein-containing complex cellular anatomical structure intracellular anatomical structure catalytic complex oxidoreductase complex cytoplasm cytosol ribonucleoside-diphosphate reductase complex membrane-bounded organelle intracellular organelle organelle envelope organelle nuclear envelope nucleus intracellular membrane-bounded organelle endomembrane system membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR033909	Ribonucleotide reductase small subunit	Family
A	IPR012348	Ribonucleotide reductase-like	Homologous Superfamily
A	IPR009078	Ferritin-like superfamily	Homologous Superfamily
A	IPR000358	Ribonucleotide reductase small subunit family	Family
A	IPR030475	Ribonucleotide reductase small subunit, acitve 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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.