Annotations: 2XAK

Ribonucleotide reductase Y730NO2Y modified R1 subunit of E. coli

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
Protein Modification Annotation

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C	SCOP2B Superfamily	R1 subunit of ribonucleotide reductase, N-terminal domain	8038325	3000927	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	PFL-like glycyl radical enzymes	8043875	3001069	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	R1 subunit of ribonucleotide reductase, N-terminal domain	8038325	3000927	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	PFL-like glycyl radical enzymes	8043875	3001069	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	R1 subunit of ribonucleotide reductase, N-terminal domain	8038325	3000927	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	PFL-like glycyl radical enzymes	8043875	3001069	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)
C	Tachylectin	e2xakC2	A: alpha arrays	X: Alpha-beta plaits	H: Phage tail protein-like	T: Transmembrane protein 14A	F: Tachylectin	ECOD (v295.2)
C	Ldh_1_C	e2xakC3	A: alpha arrays	X: MocoBD/DmpA-related	H: MocoBD/DmpA-related	T: Retrovirus capsid protein-C	F: Ldh_1_C	ECOD (v295.2)
B	Tachylectin	e2xakB2	A: alpha arrays	X: Alpha-beta plaits	H: Phage tail protein-like	T: Transmembrane protein 14A	F: Tachylectin	ECOD (v295.2)
B	Ldh_1_C	e2xakB1	A: alpha arrays	X: MocoBD/DmpA-related	H: MocoBD/DmpA-related	T: Retrovirus capsid protein-C	F: Ldh_1_C	ECOD (v295.2)
A	Tachylectin	e2xakA2	A: alpha arrays	X: Alpha-beta plaits	H: Phage tail protein-like	T: Transmembrane protein 14A	F: Tachylectin	ECOD (v295.2)
A	Ldh_1_C	e2xakA1	A: alpha arrays	X: MocoBD/DmpA-related	H: MocoBD/DmpA-related	T: Retrovirus capsid protein-C	F: Ldh_1_C	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C	3.20.70.20	Alpha Beta	Alpha-Beta Barrel	Anaerobic Ribonucleotide-triphosphate Reductase Large Chain		CATH (4.3.0)
B	3.20.70.20	Alpha Beta	Alpha-Beta Barrel	Anaerobic Ribonucleotide-triphosphate Reductase Large Chain		CATH (4.3.0)
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, B, C	PF02867	Ribonucleotide reductase, barrel domain (Ribonuc_red_lgC)	Ribonucleotide reductase, barrel domain	-	Family
A, B, C	PF00317	Ribonucleotide reductase, all-alpha domain (Ribonuc_red_lgN)	Ribonucleotide reductase, all-alpha domain		Domain
A, B, C	PF03477	ATP cone domain (ATP-cone)	ATP cone domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
D, E, F, G [auth P]	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 phosphorus metabolic process carbohydrate derivative biosynthetic 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 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
A, B, C	RIBONUCLEOSIDE-DIPHOSPHATE REDUCTASE 1 SUBUNIT ALPHA	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 phosphorus metabolic process carbohydrate derivative biosynthetic 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 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
D, E, F, G [auth P]	IPR033909	Ribonucleotide reductase small subunit	Family
D, E, F, G [auth P]	IPR012348	Ribonucleotide reductase-like	Homologous Superfamily
D, E, F, G [auth P]	IPR009078	Ferritin-like superfamily	Homologous Superfamily
D, E, F, G [auth P]	IPR000358	Ribonucleotide reductase small subunit family	Family
D, E, F, G [auth P]	IPR030475	Ribonucleotide reductase small subunit, acitve site	Active Site
A, B, C	IPR013509	Ribonucleotide reductase large subunit, N-terminal	Domain
A, B, C	IPR005144	ATP-cone domain	Domain
A, B, C	IPR008926	Ribonucleotide reductase R1 subunit, N-terminal	Homologous Superfamily
A, B, C	IPR013346	Ribonucleotide reductase, class I, alpha subunit, C-terminal	Domain
A, B, C	IPR000788	Ribonucleotide reductase large subunit, C-terminal	Domain
A, B, C	IPR039718	Ribonucleoside-diphosphate reductase large subunit	Family

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A, B, C	NIY	Parent Component: TYR : AA0537 : 3'-nitro-L-tyrosine MOD:01786

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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.