Annotations: 7AI9

Structure of Ribonucleotide reductase R2 from Escherichia coli collected by rotation serial crystallography on a COC membrane at a synchrotron source

External Resource: Annotation

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: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Ferritin-like	8032952	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	Lant_dehydr_C	e7ai9A1	A: beta barrels	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: Lant_dehydr_C	ECOD (v294.2)

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 (utative)

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	Ribonucleoside-diphosphate reductase 1 subunit beta	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 cation binding transition metal ion binding iron ion binding ion binding binding metal ion binding small molecule binding identical protein 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 cation binding transition metal ion binding iron ion binding ion binding binding metal ion binding small molecule binding identical protein binding protein binding	nucleobase-containing compound metabolic process nucleobase-containing small molecule metabolic process small molecule metabolic process metabolic process cellular process primary metabolic process nucleobase-containing small molecule interconversion nucleoside phosphate metabolic process nucleoside diphosphate metabolic process organophosphate metabolic process ribonucleoside diphosphate metabolic process phosphate-containing compound metabolic process phosphorus metabolic process carbohydrate derivative biosynthetic process nucleobase-containing compound metabolic process nucleobase-containing small molecule metabolic process small molecule metabolic process metabolic process cellular process primary metabolic process nucleobase-containing small molecule interconversion nucleoside phosphate metabolic process nucleoside diphosphate metabolic process organophosphate metabolic process ribonucleoside diphosphate metabolic process phosphate-containing compound 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 deoxyribonucleotide biosynthetic process deoxyribonucleotide metabolic process	protein-containing complex cellular anatomical structure intracellular anatomical structure catalytic complex oxidoreductase complex cytoplasm cytosol ribonucleoside-diphosphate reductase complex

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

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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.