The name of this superfamily has been modified since the most recent official CATH+ release (v4_2_0). At the point of the last release, this superfamily was named:

"
Ribonucleotide Reductase, subunit A
".

Functional Families

Overview of the Structural Clusters (SC) and Functional Families within this CATH Superfamily. Clusters with a representative structure are represented by a filled circle.
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FunFam 3347: Ribonucleoside-diphosphate reductase small chain

Please note: GO annotations are assigned to the full protein sequence rather than individual protein domains. Since a given protein can contain multiple domains, it is possible that some of the annotations below come from additional domains that occur in the same protein, but have been classified elsewhere in CATH.

There are 13 GO terms relating to "molecular function"

The search results have been sorted with the annotations that are found most frequently at the top of the list. The results can be filtered by typing text into the search box at the top of the table.
GO Term Annotations Evidence
Protein binding GO:0005515
Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
6 P09938 (/IPI) P11157 (/IPI) P31350 (/IPI) P36603 (/IPI) P49723 (/IPI) Q7LG56 (/IPI)
Ribonucleoside-diphosphate reductase activity, thioredoxin disulfide as acceptor GO:0004748
Catalysis of the reaction: 2'-deoxyribonucleoside diphosphate + thioredoxin disulfide + H2O = ribonucleoside diphosphate + thioredoxin. Thioredoxin disulfide is the oxidized form of thioredoxin.
5 P31350 (/ISS) P50651 (/ISS) Q4KLN6 (/ISS) Q4R7Q7 (/ISS) Q60561 (/ISS)
Ribonucleoside-diphosphate reductase activity, thioredoxin disulfide as acceptor GO:0004748
Catalysis of the reaction: 2'-deoxyribonucleoside diphosphate + thioredoxin disulfide + H2O = ribonucleoside diphosphate + thioredoxin. Thioredoxin disulfide is the oxidized form of thioredoxin.
4 P09938 (/IDA) P11157 (/IDA) P50651 (/IDA) Q6PEE3 (/IDA)
Protein heterodimerization activity GO:0046982
Interacting selectively and non-covalently with a nonidentical protein to form a heterodimer.
2 P09938 (/IDA) P49723 (/IDA)
Ribonucleoside-diphosphate reductase activity, thioredoxin disulfide as acceptor GO:0004748
Catalysis of the reaction: 2'-deoxyribonucleoside diphosphate + thioredoxin disulfide + H2O = ribonucleoside diphosphate + thioredoxin. Thioredoxin disulfide is the oxidized form of thioredoxin.
1 P49723 (/IGI)
Ribonucleoside-diphosphate reductase activity, thioredoxin disulfide as acceptor GO:0004748
Catalysis of the reaction: 2'-deoxyribonucleoside diphosphate + thioredoxin disulfide + H2O = ribonucleoside diphosphate + thioredoxin. Thioredoxin disulfide is the oxidized form of thioredoxin.
1 P49723 (/IMP)
Ribonucleoside-diphosphate reductase activity, thioredoxin disulfide as acceptor GO:0004748
Catalysis of the reaction: 2'-deoxyribonucleoside diphosphate + thioredoxin disulfide + H2O = ribonucleoside diphosphate + thioredoxin. Thioredoxin disulfide is the oxidized form of thioredoxin.
1 P31350 (/NAS)
Ferrous iron binding GO:0008198
Interacting selectively and non-covalently with ferrous iron, Fe(II).
1 P09938 (/IDA)
Ferric iron binding GO:0008199
Interacting selectively and non-covalently with ferric iron, Fe(III).
1 P11157 (/IDA)
Zinc ion binding GO:0008270
Interacting selectively and non-covalently with zinc (Zn) ions.
1 P09938 (/IDA)
Protein homodimerization activity GO:0042803
Interacting selectively and non-covalently with an identical protein to form a homodimer.
1 P11157 (/IDA)
Protein homodimerization activity GO:0042803
Interacting selectively and non-covalently with an identical protein to form a homodimer.
1 P11157 (/IMP)
CDP reductase activity GO:0051063
Catalysis of the reaction: dCDP + thioredoxin disulfide + H2O = CDP + thioredoxin.
1 P36603 (/IDA)

There are 36 GO terms relating to "biological process"

The search results have been sorted with the annotations that are found most frequently at the top of the list. The results can be filtered by typing text into the search box at the top of the table.
GO Term Annotations Evidence
Deoxyribonucleotide biosynthetic process GO:0009263
The chemical reactions and pathways resulting in the formation of a deoxyribonucleotide, a compound consisting of deoxyribonucleoside (a base linked to a deoxyribose sugar) esterified with a phosphate group at either the 3' or 5'-hydroxyl group of the sugar.
4 P09938 (/IDA) P11157 (/IDA) P49723 (/IDA) Q6PEE3 (/IDA)
Deoxyribonucleotide biosynthetic process GO:0009263
The chemical reactions and pathways resulting in the formation of a deoxyribonucleotide, a compound consisting of deoxyribonucleoside (a base linked to a deoxyribose sugar) esterified with a phosphate group at either the 3' or 5'-hydroxyl group of the sugar.
4 P31350 (/ISS) Q4KLN6 (/ISS) Q4R7Q7 (/ISS) Q60561 (/ISS)
DNA repair GO:0006281
The process of restoring DNA after damage. Genomes are subject to damage by chemical and physical agents in the environment (e.g. UV and ionizing radiations, chemical mutagens, fungal and bacterial toxins, etc.) and by free radicals or alkylating agents endogenously generated in metabolism. DNA is also damaged because of errors during its replication. A variety of different DNA repair pathways have been reported that include direct reversal, base excision repair, nucleotide excision repair, photoreactivation, bypass, double-strand break repair pathway, and mismatch repair pathway.
2 P50651 (/TAS) Q9LSD0 (/TAS)
Multicellular organism development GO:0007275
The biological process whose specific outcome is the progression of a multicellular organism over time from an initial condition (e.g. a zygote or a young adult) to a later condition (e.g. a multicellular animal or an aged adult).
2 P50651 (/IMP) Q9LSD0 (/IMP)
Nucleobase-containing small molecule interconversion GO:0015949
The chemical reactions and pathways by which a nucleobase, nucleoside or nucleotide small molecule is synthesized from another nucleobase, nucleoside or nucleotide small molecule.
2 P31350 (/TAS) Q7LG56 (/TAS)
Regulation of cell cycle GO:0051726
Any process that modulates the rate or extent of progression through the cell cycle.
2 P50651 (/IMP) Q9LSD0 (/IMP)
Regulation of transcription involved in G1/S transition of mitotic cell cycle GO:0000083
Any process that regulates transcription such that the target genes are involved in the transition between G1 and S phase of the mitotic cell cycle.
1 P31350 (/TAS)
Mitotic cell cycle GO:0000278
Progression through the phases of the mitotic cell cycle, the most common eukaryotic cell cycle, which canonically comprises four successive phases called G1, S, G2, and M and includes replication of the genome and the subsequent segregation of chromosomes into daughter cells. In some variant cell cycles nuclear replication or nuclear division may not be followed by cell division, or G1 and G2 phases may be absent.
1 Q4KLN6 (/IEP)
Kidney development GO:0001822
The process whose specific outcome is the progression of the kidney over time, from its formation to the mature structure. The kidney is an organ that filters the blood and/or excretes the end products of body metabolism in the form of urine.
1 Q6PEE3 (/IMP)
Renal system process GO:0003014
A organ system process carried out by any of the organs or tissues of the renal system. The renal system maintains fluid balance, and contributes to electrolyte balance, acid/base balance, and disposal of nitrogenous waste products. In humans, the renal system comprises a pair of kidneys, a pair of ureters, urinary bladder, urethra, sphincter muscle and associated blood vessels; in other species, the renal system may comprise related structures (e.g., nephrocytes and malpighian tubules in Drosophila).
1 Q6PEE3 (/IMP)
Pyrimidine nucleobase metabolic process GO:0006206
The chemical reactions and pathways involving pyrimidine nucleobases, 1,3-diazine, organic nitrogenous bases.
1 Q4KLN6 (/IEP)
Pyrimidine nucleoside metabolic process GO:0006213
The chemical reactions and pathways involving any pyrimidine nucleoside, one of a family of organic molecules consisting of a pyrimidine base covalently bonded to ribose (a ribonucleoside) or deoxyribose (a deoxyribonucleoside).
1 P36603 (/IC)
DCDP biosynthetic process GO:0006240
The chemical reactions and pathways resulting in the formation of dCDP, deoxycytidine 5'-diphosphate.
1 P36603 (/IDA)
DNA replication GO:0006260
The cellular metabolic process in which a cell duplicates one or more molecules of DNA. DNA replication begins when specific sequences, known as origins of replication, are recognized and bound by initiation proteins, and ends when the original DNA molecule has been completely duplicated and the copies topologically separated. The unit of replication usually corresponds to the genome of the cell, an organelle, or a virus. The template for replication can either be an existing DNA molecule or RNA.
1 Q9LSD0 (/IMP)
Mitochondrial DNA replication GO:0006264
The process in which new strands of DNA are synthesized in the mitochondrion.
1 Q6PEE3 (/IMP)
DNA repair GO:0006281
The process of restoring DNA after damage. Genomes are subject to damage by chemical and physical agents in the environment (e.g. UV and ionizing radiations, chemical mutagens, fungal and bacterial toxins, etc.) and by free radicals or alkylating agents endogenously generated in metabolism. DNA is also damaged because of errors during its replication. A variety of different DNA repair pathways have been reported that include direct reversal, base excision repair, nucleotide excision repair, photoreactivation, bypass, double-strand break repair pathway, and mismatch repair pathway.
1 Q6PEE3 (/IMP)
Activation of cysteine-type endopeptidase activity involved in apoptotic process GO:0006919
Any process that initiates the activity of the inactive enzyme cysteine-type endopeptidase in the context of an apoptotic process.
1 P48592 (/IMP)
Cellular response to DNA damage stimulus GO:0006974
Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus indicating damage to its DNA from environmental insults or errors during metabolism.
1 Q7ZYW0 (/IDA)
Response to oxidative stress GO:0006979
Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of oxidative stress, a state often resulting from exposure to high levels of reactive oxygen species, e.g. superoxide anions, hydrogen peroxide (H2O2), and hydroxyl radicals.
1 Q6PEE3 (/IMP)
Positive regulation of cell proliferation GO:0008284
Any process that activates or increases the rate or extent of cell proliferation.
1 Q4KLN6 (/IMP)
Deoxyribonucleoside triphosphate metabolic process GO:0009200
The chemical reactions and pathways involving a deoxyribonucleoside triphosphate, a compound consisting of a nucleobase linked to a deoxyribose sugar esterified with triphosphate on the sugar.
1 Q6PEE3 (/IMP)
Pyrimidine deoxyribonucleoside triphosphate biosynthetic process GO:0009212
The chemical reactions and pathways resulting in the formation of pyrimidine deoxyribonucleoside triphosphate, a compound consisting of a pyrimidine base linked to a deoxyribose sugar esterified with triphosphate on the sugar.
1 P36603 (/IC)
Purine deoxyribonucleoside triphosphate biosynthetic process GO:0009216
The chemical reactions and pathways resulting in the formation of purine deoxyribonucleoside triphosphate, a compound consisting of a purine base linked to a deoxyribose sugar esterified with triphosphate on the sugar.
1 P36603 (/IC)
Ribonucleotide metabolic process GO:0009259
The chemical reactions and pathways involving a ribonucleotide, a compound consisting of ribonucleoside (a base linked to a ribose sugar) esterified with a phosphate group at either the 3' or 5'-hydroxyl group of the sugar.
1 P50651 (/TAS)
Deoxyribonucleotide metabolic process GO:0009262
The chemical reactions and pathways involving a deoxyribonucleotide, a compound consisting of deoxyribonucleoside (a base linked to a deoxyribose sugar) esterified with a phosphate group at either the 3' or 5'-hydroxyl group of the sugar.
1 P11157 (/IDA)
Embryo development ending in birth or egg hatching GO:0009792
The process whose specific outcome is the progression of an embryo over time, from zygote formation until the end of the embryonic life stage. The end of the embryonic life stage is organism-specific and may be somewhat arbitrary; for mammals it is usually considered to be birth, for insects the hatching of the first instar larva from the eggshell.
1 P42170 (/IMP)
Programmed cell death GO:0012501
A process which begins when a cell receives an internal or external signal and activates a series of biochemical events (signaling pathway). The process ends with the death of the cell.
1 Q9LSD0 (/IMP)
Response to amine GO:0014075
Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an amine stimulus. An amine is a compound formally derived from ammonia by replacing one, two or three hydrogen atoms by hydrocarbyl groups.
1 D4ADQ1 (/IEP)
Purine nucleoside metabolic process GO:0042278
The chemical reactions and pathways involving one of a family of organic molecules consisting of a purine base covalently bonded to a sugar ribose (a ribonucleoside) or deoxyribose (a deoxyribonucleoside).
1 P36603 (/IC)
CDP metabolic process GO:0046704
The chemical reactions and pathways involving CDP, cytidine (5'-)diphosphate.
1 P36603 (/IDA)
Cofactor biosynthetic process GO:0051188
The chemical reactions and pathways resulting in the formation of a cofactor, a substance that is required for the activity of an enzyme or other protein.
1 P49723 (/IMP)
Cofactor biosynthetic process GO:0051188
The chemical reactions and pathways resulting in the formation of a cofactor, a substance that is required for the activity of an enzyme or other protein.
1 P49723 (/IPI)
Protein oligomerization GO:0051259
The process of creating protein oligomers, compounds composed of a small number, usually between three and ten, of component monomers; protein oligomers may be composed of different or identical monomers. Oligomers may be formed by the polymerization of a number of monomers or the depolymerization of a large protein polymer.
1 P11157 (/IPI)
Protein heterotetramerization GO:0051290
The formation of a protein heterotetramer, a macromolecular structure consisting of four noncovalently associated subunits, of which not all are identical.
1 P11157 (/IMP)
Protein heterotetramerization GO:0051290
The formation of a protein heterotetramer, a macromolecular structure consisting of four noncovalently associated subunits, of which not all are identical.
1 P11157 (/IPI)
Negative regulation of intrinsic apoptotic signaling pathway by p53 class mediator GO:1902254
Any process that stops, prevents or reduces the frequency, rate or extent of intrinsic apoptotic signaling pathway by p53 class mediator.
1 Q6PEE3 (/IMP)

There are 18 GO terms relating to "cellular component"

The search results have been sorted with the annotations that are found most frequently at the top of the list. The results can be filtered by typing text into the search box at the top of the table.
GO Term Annotations Evidence
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
4 P09938 (/IDA) P36603 (/IDA) P49723 (/IDA) Q7ZYW0 (/IDA)
Cytosol GO:0005829
The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
4 P31350 (/IDA) P36603 (/IDA) P50651 (/IDA) Q7LG56 (/IDA)
Nucleus GO:0005634
A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.
3 P09938 (/IDA) P36603 (/IDA) P49723 (/IDA)
Cytosol GO:0005829
The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
3 P11157 (/TAS) P31350 (/TAS) Q7LG56 (/TAS)
Ribonucleoside-diphosphate reductase complex GO:0005971
An enzyme complex composed of 2-4 or more subunits, which usually contains nonheme iron and requires ATP for catalysis. Catalyzes the formation of 2'-deoxyribonucleoside diphosphate from ribonucleoside diphosphate, using either thioredoxin disulfide or glutaredoxin disulfide as an acceptor.
3 P09938 (/IDA) P11157 (/IDA) P49723 (/IDA)
Cytosol GO:0005829
The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
2 P11157 (/ISO) Q6PEE3 (/ISO)
Ribonucleoside-diphosphate reductase complex GO:0005971
An enzyme complex composed of 2-4 or more subunits, which usually contains nonheme iron and requires ATP for catalysis. Catalyzes the formation of 2'-deoxyribonucleoside diphosphate from ribonucleoside diphosphate, using either thioredoxin disulfide or glutaredoxin disulfide as an acceptor.
2 P36603 (/IPI) P49723 (/IPI)
Ribonucleoside-diphosphate reductase complex GO:0005971
An enzyme complex composed of 2-4 or more subunits, which usually contains nonheme iron and requires ATP for catalysis. Catalyzes the formation of 2'-deoxyribonucleoside diphosphate from ribonucleoside diphosphate, using either thioredoxin disulfide or glutaredoxin disulfide as an acceptor.
2 P42521 (/ISS) P50651 (/ISS)
Nucleus GO:0005634
A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.
1 P42521 (/ISS)
Nuclear envelope GO:0005635
The double lipid bilayer enclosing the nucleus and separating its contents from the rest of the cytoplasm; includes the intermembrane space, a gap of width 20-40 nm (also called the perinuclear space).
1 Q4KLN6 (/IDA)
Nucleoplasm GO:0005654
That part of the nuclear content other than the chromosomes or the nucleolus.
1 Q7LG56 (/IDA)
Nucleoplasm GO:0005654
That part of the nuclear content other than the chromosomes or the nucleolus.
1 Q6PEE3 (/ISO)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
1 P42521 (/ISS)
Mitochondrion GO:0005739
A semiautonomous, self replicating organelle that occurs in varying numbers, shapes, and sizes in the cytoplasm of virtually all eukaryotic cells. It is notably the site of tissue respiration.
1 Q6PEE3 (/IC)
Ribonucleoside-diphosphate reductase complex GO:0005971
An enzyme complex composed of 2-4 or more subunits, which usually contains nonheme iron and requires ATP for catalysis. Catalyzes the formation of 2'-deoxyribonucleoside diphosphate from ribonucleoside diphosphate, using either thioredoxin disulfide or glutaredoxin disulfide as an acceptor.
1 P11157 (/IMP)
Ribonucleoside-diphosphate reductase complex GO:0005971
An enzyme complex composed of 2-4 or more subunits, which usually contains nonheme iron and requires ATP for catalysis. Catalyzes the formation of 2'-deoxyribonucleoside diphosphate from ribonucleoside diphosphate, using either thioredoxin disulfide or glutaredoxin disulfide as an acceptor.
1 P36603 (/ISO)
Extracellular exosome GO:0070062
A vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.
1 Q7LG56 (/IDA)
Extracellular exosome GO:0070062
A vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.
1 Q6PEE3 (/ISO)
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