Annotations: 7AIL

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Ribonuc_red_sm	e7ailA1	A: alpha bundles	X: Ferritin/Heme oxygenase/4-helical cytokines	H: Ferritin/Heme oxygenase	T: Heme oxygenase/Ribonucleotide reductase	F: Ribonuc_red_sm	ECOD (1.6)

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 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 endonuclease activity nuclease activity hydrolase activity, acting on ester bonds hydrolase activity cation binding ion binding binding 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 endonuclease activity nuclease activity hydrolase activity, acting on ester bonds hydrolase activity cation binding ion binding binding metal ion binding small molecule binding	intein-mediated protein splicing primary metabolic process gene expression macromolecule biosynthetic process protein maturation biosynthetic process proteolysis protein processing metabolic process cellular process protein metabolic process macromolecule metabolic process protein splicing nucleobase-containing compound metabolic process intein-mediated protein splicing primary metabolic process gene expression macromolecule biosynthetic process protein maturation biosynthetic process proteolysis protein processing metabolic process cellular process protein metabolic process macromolecule metabolic process protein splicing nucleobase-containing compound metabolic process DNA recombination DNA metabolic process nucleic acid metabolic process intron homing nucleoside phosphate metabolic process carbohydrate derivative biosynthetic process nucleotide biosynthetic process carbohydrate derivative metabolic process nucleotide metabolic process nucleobase-containing compound biosynthetic process deoxyribonucleotide biosynthetic process deoxyribonucleotide metabolic process organophosphate metabolic process nucleobase-containing small molecule metabolic process organophosphate biosynthetic process phosphate-containing compound metabolic process nucleoside phosphate biosynthetic process small molecule metabolic process phosphorus metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036844	Hint domain superfamily	Homologous Superfamily
A	IPR030934	Intein C-terminal splicing region	Conserved Site
A	IPR004042	Intein DOD homing endonuclease, central region	Domain
A	IPR033909	Ribonucleotide reductase small subunit	Family
A	IPR012348	Ribonucleotide reductase-like	Homologous Superfamily
A	IPR006141	Intein N-terminal splicing region	PTM
A	IPR009078	Ferritin-like superfamily	Homologous Superfamily
A	IPR000358	Ribonucleotide reductase small subunit family	Family
A	IPR003587	Hint domain N-terminal	Domain
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.