Annotations: 1ZZD

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Ribonuc_red_lgN	e1zzdA2	A: alpha arrays	X: Alpha helical domain of ribonucleotide reductases (From Topology)	H: Alpha helical domain of ribonucleotide reductases (From Topology)	T: Alpha helical domain of ribonucleotide reductases	F: Ribonuc_red_lgN	ECOD (1.6)
A	Ribonuc_red_lgC	e1zzdA1	A: a/b barrels	X: Ten stranded beta/alpha barrel (From Topology)	H: Ten stranded beta/alpha barrel (From Topology)	T: Ten stranded beta/alpha barrel	F: Ribonuc_red_lgC	ECOD (1.6)

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
B	Ribonucleoside-diphosphate reductase small chain 2	protein heterodimerization activity protein binding binding protein dimerization activity 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	nucleoside phosphate metabolic process carbohydrate derivative biosynthetic process nucleotide biosynthetic process carbohydrate derivative metabolic process primary metabolic process nucleotide metabolic process nucleobase-containing compound biosynthetic process nucleobase-containing compound metabolic process deoxyribonucleotide biosynthetic process deoxyribonucleotide metabolic process biosynthetic process organophosphate metabolic process nucleobase-containing small molecule metabolic process organophosphate biosynthetic process phosphate-containing compound metabolic process nucleoside phosphate metabolic process carbohydrate derivative biosynthetic process nucleotide biosynthetic process carbohydrate derivative metabolic process primary metabolic process nucleotide metabolic process nucleobase-containing compound biosynthetic process nucleobase-containing compound metabolic process deoxyribonucleotide biosynthetic process deoxyribonucleotide metabolic process biosynthetic process organophosphate metabolic process nucleobase-containing small molecule metabolic process organophosphate biosynthetic process phosphate-containing compound metabolic process nucleoside phosphate biosynthetic process metabolic process cellular process small molecule metabolic process phosphorus metabolic 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 nucleus intracellular membrane-bounded organelle
A	Ribonucleoside-diphosphate reductase large chain 1	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound 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 identical protein binding protein binding	nucleoside phosphate metabolic process carbohydrate derivative biosynthetic process nucleotide biosynthetic process carbohydrate derivative metabolic process primary metabolic process nucleotide metabolic process nucleobase-containing compound biosynthetic process nucleobase-containing compound metabolic process deoxyribonucleotide biosynthetic process deoxyribonucleotide metabolic process biosynthetic process organophosphate metabolic process nucleobase-containing small molecule metabolic process organophosphate biosynthetic process phosphate-containing compound metabolic process nucleoside phosphate metabolic process carbohydrate derivative biosynthetic process nucleotide biosynthetic process carbohydrate derivative metabolic process primary metabolic process nucleotide metabolic process nucleobase-containing compound biosynthetic process nucleobase-containing compound metabolic process deoxyribonucleotide biosynthetic process deoxyribonucleotide metabolic process biosynthetic process organophosphate metabolic process nucleobase-containing small molecule metabolic process organophosphate biosynthetic process phosphate-containing compound metabolic process nucleoside phosphate biosynthetic process metabolic process cellular process small molecule metabolic process phosphorus metabolic 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 nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B	IPR009078	Ferritin-like superfamily	Homologous Superfamily
B	IPR000358	Ribonucleotide reductase small subunit family	Family
B	IPR030475	Ribonucleotide reductase small subunit, acitve site	Active Site
B	IPR033909	Ribonucleotide reductase small subunit	Family
B	IPR012348	Ribonucleotide reductase-like	Homologous Superfamily
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.