Annotations: 1RLR

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1rlra1	All alpha proteins	R1 subunit of ribonucleotide reductase, N-terminal domain	R1 subunit of ribonucleotide reductase, N-terminal domain	R1 subunit of ribonucleotide reductase, N-terminal domain	R1 subunit of ribonucleotide reductase, N-terminal domain	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A	d1rlra2	Alpha and beta proteins (a/b)	PFL-like glycyl radical enzymes	PFL-like glycyl radical enzymes	R1 subunit of ribonucleotide reductase, C-terminal domain	R1 subunit of ribonucleotide reductase, C-terminal domain	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	R1 subunit of ribonucleotide reductase, N-terminal domain	8025946	4001151	SCOP2 (2022-06-29)
A	SCOP2 Family	R1 subunit of ribonucleotide reductase, C-terminal domain	8031497	4003473	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	R1 subunit of ribonucleotide reductase, N-terminal domain	8038325	3000927	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	PFL-like glycyl radical enzymes	8043875	3001069	SCOP2 (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	Ribonuc_red_lgC	e1rlrA2	A: a/b barrels	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: Ribonuc_red_lgC	ECOD (v294.1)
A	ATP-cone	e1rlrA3	A: a/b three-layered sandwiches	X: Transmembrane heme-binding four-helical bundle	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: ATP-cone	ECOD (v294.1)
A	Ribonuc_red_lgN	e1rlrA4	A: a/b three-layered sandwiches	X: Transmembrane heme-binding four-helical bundle	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Ribonuc_red_lgN	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.20.70.20	Alpha Beta	Alpha-Beta Barrel	Anaerobic Ribonucleotide-triphosphate Reductase Large Chain		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF02867	Ribonucleotide reductase, barrel domain (Ribonuc_red_lgC)	Ribonucleotide reductase, barrel domain	-	Family
A	PF00317	Ribonucleotide reductase, all-alpha domain (Ribonuc_red_lgN)	Ribonucleotide reductase, all-alpha domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	RIBONUCLEOTIDE REDUCTASE PROTEIN R1	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule 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 protein folding chaperone 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 deoxyribose phosphate 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 deoxyribose phosphate biosynthetic process nucleotide biosynthetic process carbohydrate derivative metabolic process deoxyribonucleotide biosynthetic process deoxyribonucleotide metabolic process carbohydrate derivative biosynthetic process 2'-deoxyribonucleotide metabolic process 2'-deoxyribonucleotide biosynthetic process nucleotide metabolic process nucleobase-containing compound biosynthetic process biosynthetic process organophosphate biosynthetic process nucleoside phosphate biosynthetic 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	IPR013509	Ribonucleotide reductase large subunit, N-terminal	Domain
A	IPR005144	ATP-cone domain	Domain
A	IPR008926	Ribonucleotide reductase R1 subunit, N-terminal	Homologous Superfamily
A	IPR013346	Ribonucleotide reductase, class I, alpha subunit, C-terminal	Domain
A	IPR000788	Ribonucleotide reductase large subunit, C-terminal	Domain
A	IPR039718	Ribonucleoside-diphosphate reductase large subunit	Family

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.