The name of this superfamily has been modified since the most recent official CATH+ release (v4_3_0). At the point of the last release, this superfamily was: waiting to be named.

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 1: Ribosomal protein L19

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 16 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
Structural constituent of ribosome GO:0003735
The action of a molecule that contributes to the structural integrity of the ribosome.
75 C6KSY6 (/IDA) C6KSY6 (/IDA) C6KSY6 (/IDA) C6KSY6 (/IDA) C6KSY6 (/IDA) C6KSY6 (/IDA) C6KSY6 (/IDA) C6KSY6 (/IDA) C6KSY6 (/IDA) C6KSY6 (/IDA)
(65 more)
Structural constituent of ribosome GO:0003735
The action of a molecule that contributes to the structural integrity of the ribosome.
65 P36241 (/TAS) P36241 (/TAS) P36241 (/TAS) P36241 (/TAS) P36241 (/TAS) P36241 (/TAS) P36241 (/TAS) P36241 (/TAS) P36241 (/TAS) P84098 (/TAS)
(55 more)
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).
57 P14329 (/IPI) P84098 (/IPI) P84098 (/IPI) P84098 (/IPI) P84098 (/IPI) P84098 (/IPI) P84098 (/IPI) P84098 (/IPI) P84098 (/IPI) P84098 (/IPI)
(47 more)
RNA binding GO:0003723
Interacting selectively and non-covalently with an RNA molecule or a portion thereof.
56 P84098 (/HDA) P84098 (/HDA) P84098 (/HDA) P84098 (/HDA) P84098 (/HDA) P84098 (/HDA) P84098 (/HDA) P84098 (/HDA) P84098 (/HDA) P84098 (/HDA)
(46 more)
RNA binding GO:0003723
Interacting selectively and non-covalently with an RNA molecule or a portion thereof.
56 P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS)
(46 more)
Structural constituent of ribosome GO:0003735
The action of a molecule that contributes to the structural integrity of the ribosome.
56 P84098 (/NAS) P84098 (/NAS) P84098 (/NAS) P84098 (/NAS) P84098 (/NAS) P84098 (/NAS) P84098 (/NAS) P84098 (/NAS) P84098 (/NAS) P84098 (/NAS)
(46 more)
Large ribosomal subunit rRNA binding GO:0070180
Interacting selectively and non-covalently with the large ribosomal subunit RNA (LSU rRNA), a constituent of the large ribosomal subunit. In S. cerevisiae, this is the 25S rRNA.
56 P84100 (/IDA) P84100 (/IDA) P84100 (/IDA) P84100 (/IDA) P84100 (/IDA) P84100 (/IDA) P84100 (/IDA) P84100 (/IDA) P84100 (/IDA) P84100 (/IDA)
(46 more)
Large ribosomal subunit rRNA binding GO:0070180
Interacting selectively and non-covalently with the large ribosomal subunit RNA (LSU rRNA), a constituent of the large ribosomal subunit. In S. cerevisiae, this is the 25S rRNA.
56 P84099 (/ISO) P84099 (/ISO) P84099 (/ISO) P84099 (/ISO) P84099 (/ISO) P84099 (/ISO) P84099 (/ISO) P84099 (/ISO) P84099 (/ISO) P84099 (/ISO)
(46 more)
5.8S rRNA binding GO:1990932
Interacting selectively and non-covalently with 5.8S ribosomal RNA, a eukaryotic ribosomal RNA which forms a complex with 28S RNA.
56 P84100 (/IDA) P84100 (/IDA) P84100 (/IDA) P84100 (/IDA) P84100 (/IDA) P84100 (/IDA) P84100 (/IDA) P84100 (/IDA) P84100 (/IDA) P84100 (/IDA)
(46 more)
5.8S rRNA binding GO:1990932
Interacting selectively and non-covalently with 5.8S ribosomal RNA, a eukaryotic ribosomal RNA which forms a complex with 28S RNA.
56 P84099 (/ISO) P84099 (/ISO) P84099 (/ISO) P84099 (/ISO) P84099 (/ISO) P84099 (/ISO) P84099 (/ISO) P84099 (/ISO) P84099 (/ISO) P84099 (/ISO)
(46 more)
Structural constituent of ribosome GO:0003735
The action of a molecule that contributes to the structural integrity of the ribosome.
10 P0CX82 (/IC) P0CX82 (/IC) P0CX82 (/IC) P0CX82 (/IC) P0CX82 (/IC) P0CX83 (/IC) P0CX83 (/IC) P0CX83 (/IC) P0CX83 (/IC) P0CX83 (/IC)
Structural constituent of ribosome GO:0003735
The action of a molecule that contributes to the structural integrity of the ribosome.
9 P36241 (/HDA) P36241 (/HDA) P36241 (/HDA) P36241 (/HDA) P36241 (/HDA) P36241 (/HDA) P36241 (/HDA) P36241 (/HDA) P36241 (/HDA)
MRNA binding GO:0003729
Interacting selectively and non-covalently with messenger RNA (mRNA), an intermediate molecule between DNA and protein. mRNA includes UTR and coding sequences, but does not contain introns.
2 Q9LUQ6 (/IDA) Q9SRX2 (/IDA)
Structural constituent of ribosome GO:0003735
The action of a molecule that contributes to the structural integrity of the ribosome.
2 O42699 (/ISO) P05734 (/ISO)
Structural constituent of ribosome GO:0003735
The action of a molecule that contributes to the structural integrity of the ribosome.
1 Q57ZI7 (/ISM)
Calmodulin binding GO:0005516
Interacting selectively and non-covalently with calmodulin, a calcium-binding protein with many roles, both in the calcium-bound and calcium-free states.
1 P14329 (/IDA)

There are 17 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
Cytoplasmic translation GO:0002181
The chemical reactions and pathways resulting in the formation of a protein in the cytoplasm. This is a ribosome-mediated process in which the information in messenger RNA (mRNA) is used to specify the sequence of amino acids in the protein.
58 O42699 (/ISO) P05734 (/ISO) P84099 (/ISO) P84099 (/ISO) P84099 (/ISO) P84099 (/ISO) P84099 (/ISO) P84099 (/ISO) P84099 (/ISO) P84099 (/ISO)
(48 more)
Nuclear-transcribed mRNA catabolic process, nonsense-mediated decay GO:0000184
The nonsense-mediated decay pathway for nuclear-transcribed mRNAs degrades mRNAs in which an amino-acid codon has changed to a nonsense codon; this prevents the translation of such mRNAs into truncated, and potentially harmful, proteins.
56 P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS)
(46 more)
Cytoplasmic translation GO:0002181
The chemical reactions and pathways resulting in the formation of a protein in the cytoplasm. This is a ribosome-mediated process in which the information in messenger RNA (mRNA) is used to specify the sequence of amino acids in the protein.
56 P84098 (/IDA) P84098 (/IDA) P84098 (/IDA) P84098 (/IDA) P84098 (/IDA) P84098 (/IDA) P84098 (/IDA) P84098 (/IDA) P84098 (/IDA) P84098 (/IDA)
(46 more)
Translation GO:0006412
The cellular metabolic process in which a protein is formed, using the sequence of a mature mRNA or circRNA molecule to specify the sequence of amino acids in a polypeptide chain. Translation is mediated by the ribosome, and begins with the formation of a ternary complex between aminoacylated initiator methionine tRNA, GTP, and initiation factor 2, which subsequently associates with the small subunit of the ribosome and an mRNA or circRNA. Translation ends with the release of a polypeptide chain from the ribosome.
56 P84099 (/IC) P84099 (/IC) P84099 (/IC) P84099 (/IC) P84099 (/IC) P84099 (/IC) P84099 (/IC) P84099 (/IC) P84099 (/IC) P84099 (/IC)
(46 more)
Translation GO:0006412
The cellular metabolic process in which a protein is formed, using the sequence of a mature mRNA or circRNA molecule to specify the sequence of amino acids in a polypeptide chain. Translation is mediated by the ribosome, and begins with the formation of a ternary complex between aminoacylated initiator methionine tRNA, GTP, and initiation factor 2, which subsequently associates with the small subunit of the ribosome and an mRNA or circRNA. Translation ends with the release of a polypeptide chain from the ribosome.
56 P84098 (/NAS) P84098 (/NAS) P84098 (/NAS) P84098 (/NAS) P84098 (/NAS) P84098 (/NAS) P84098 (/NAS) P84098 (/NAS) P84098 (/NAS) P84098 (/NAS)
(46 more)
Translation GO:0006412
The cellular metabolic process in which a protein is formed, using the sequence of a mature mRNA or circRNA molecule to specify the sequence of amino acids in a polypeptide chain. Translation is mediated by the ribosome, and begins with the formation of a ternary complex between aminoacylated initiator methionine tRNA, GTP, and initiation factor 2, which subsequently associates with the small subunit of the ribosome and an mRNA or circRNA. Translation ends with the release of a polypeptide chain from the ribosome.
56 P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS)
(46 more)
Translational initiation GO:0006413
The process preceding formation of the peptide bond between the first two amino acids of a protein. This includes the formation of a complex of the ribosome, mRNA or circRNA, and an initiation complex that contains the first aminoacyl-tRNA.
56 P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS)
(46 more)
SRP-dependent cotranslational protein targeting to membrane GO:0006614
The targeting of proteins to a membrane that occurs during translation and is dependent upon two key components, the signal-recognition particle (SRP) and the SRP receptor. SRP is a cytosolic particle that transiently binds to the endoplasmic reticulum (ER) signal sequence in a nascent protein, to the large ribosomal unit, and to the SRP receptor in the ER membrane.
56 P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS)
(46 more)
Viral transcription GO:0019083
The process by which a viral genome, or part of a viral genome, is transcribed within the host cell.
56 P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS)
(46 more)
Liver regeneration GO:0097421
The regrowth of lost or destroyed liver.
56 P84100 (/IEP) P84100 (/IEP) P84100 (/IEP) P84100 (/IEP) P84100 (/IEP) P84100 (/IEP) P84100 (/IEP) P84100 (/IEP) P84100 (/IEP) P84100 (/IEP)
(46 more)
Cytoplasmic translation GO:0002181
The chemical reactions and pathways resulting in the formation of a protein in the cytoplasm. This is a ribosome-mediated process in which the information in messenger RNA (mRNA) is used to specify the sequence of amino acids in the protein.
19 P0CX82 (/IC) P0CX82 (/IC) P0CX82 (/IC) P0CX82 (/IC) P0CX82 (/IC) P0CX83 (/IC) P0CX83 (/IC) P0CX83 (/IC) P0CX83 (/IC) P0CX83 (/IC)
(9 more)
Translation GO:0006412
The cellular metabolic process in which a protein is formed, using the sequence of a mature mRNA or circRNA molecule to specify the sequence of amino acids in a polypeptide chain. Translation is mediated by the ribosome, and begins with the formation of a ternary complex between aminoacylated initiator methionine tRNA, GTP, and initiation factor 2, which subsequently associates with the small subunit of the ribosome and an mRNA or circRNA. Translation ends with the release of a polypeptide chain from the ribosome.
14 C6KSY6 (/ISS) C6KSY6 (/ISS) C6KSY6 (/ISS) C6KSY6 (/ISS) C6KSY6 (/ISS) C6KSY6 (/ISS) C6KSY6 (/ISS) C6KSY6 (/ISS) C6KSY6 (/ISS) C6KSY6 (/ISS)
(4 more)
Cytoplasmic translation GO:0002181
The chemical reactions and pathways resulting in the formation of a protein in the cytoplasm. This is a ribosome-mediated process in which the information in messenger RNA (mRNA) is used to specify the sequence of amino acids in the protein.
9 P36241 (/TAS) P36241 (/TAS) P36241 (/TAS) P36241 (/TAS) P36241 (/TAS) P36241 (/TAS) P36241 (/TAS) P36241 (/TAS) P36241 (/TAS)
Translation GO:0006412
The cellular metabolic process in which a protein is formed, using the sequence of a mature mRNA or circRNA molecule to specify the sequence of amino acids in a polypeptide chain. Translation is mediated by the ribosome, and begins with the formation of a ternary complex between aminoacylated initiator methionine tRNA, GTP, and initiation factor 2, which subsequently associates with the small subunit of the ribosome and an mRNA or circRNA. Translation ends with the release of a polypeptide chain from the ribosome.
1 Q57ZI7 (/ISM)
Determination of adult lifespan GO:0008340
The control of viability and duration in the adult phase of the life-cycle.
1 O02639 (/IMP)
Hemopoiesis GO:0030097
The process whose specific outcome is the progression of the myeloid and lymphoid derived organ/tissue systems of the blood and other parts of the body over time, from formation to the mature structure. The site of hemopoiesis is variable during development, but occurs primarily in bone marrow or kidney in many adult vertebrates.
1 Q6P5L3 (/IMP)
Ribosome biogenesis GO:0042254
A cellular process that results in the biosynthesis of constituent macromolecules, assembly, and arrangement of constituent parts of ribosome subunits; includes transport to the sites of protein synthesis.
1 Q57ZI7 (/ISM)

There are 25 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
Cytosolic large ribosomal subunit GO:0022625
The large subunit of a ribosome located in the cytosol.
196 C6KSY6 (/IDA) C6KSY6 (/IDA) C6KSY6 (/IDA) C6KSY6 (/IDA) C6KSY6 (/IDA) C6KSY6 (/IDA) C6KSY6 (/IDA) C6KSY6 (/IDA) C6KSY6 (/IDA) C6KSY6 (/IDA)
(186 more)
Cytosolic large ribosomal subunit GO:0022625
The large subunit of a ribosome located in the cytosol.
65 P36241 (/TAS) P36241 (/TAS) P36241 (/TAS) P36241 (/TAS) P36241 (/TAS) P36241 (/TAS) P36241 (/TAS) P36241 (/TAS) P36241 (/TAS) P84098 (/TAS)
(55 more)
Polysomal ribosome GO:0042788
A ribosome bound to mRNA that forms part of a polysome.
59 P49693 (/IDA) P49693 (/IDA) P84098 (/IDA) P84098 (/IDA) P84098 (/IDA) P84098 (/IDA) P84098 (/IDA) P84098 (/IDA) P84098 (/IDA) P84098 (/IDA)
(49 more)
Cytosolic large ribosomal subunit GO:0022625
The large subunit of a ribosome located in the cytosol.
58 O42699 (/ISO) P05734 (/ISO) P84099 (/ISO) P84099 (/ISO) P84099 (/ISO) P84099 (/ISO) P84099 (/ISO) P84099 (/ISO) P84099 (/ISO) P84099 (/ISO)
(48 more)
Cytosol GO:0005829
The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
56 P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS) P84098 (/TAS)
(46 more)
Focal adhesion GO:0005925
Small region on the surface of a cell that anchors the cell to the extracellular matrix and that forms a point of termination of actin filaments.
56 P84098 (/HDA) P84098 (/HDA) P84098 (/HDA) P84098 (/HDA) P84098 (/HDA) P84098 (/HDA) P84098 (/HDA) P84098 (/HDA) P84098 (/HDA) P84098 (/HDA)
(46 more)
Membrane GO:0016020
A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
56 P84098 (/HDA) P84098 (/HDA) P84098 (/HDA) P84098 (/HDA) P84098 (/HDA) P84098 (/HDA) P84098 (/HDA) P84098 (/HDA) P84098 (/HDA) P84098 (/HDA)
(46 more)
Cytosolic large ribosomal subunit GO:0022625
The large subunit of a ribosome located in the cytosol.
56 P84098 (/HDA) P84098 (/HDA) P84098 (/HDA) P84098 (/HDA) P84098 (/HDA) P84098 (/HDA) P84098 (/HDA) P84098 (/HDA) P84098 (/HDA) P84098 (/HDA)
(46 more)
Polysomal ribosome GO:0042788
A ribosome bound to mRNA that forms part of a polysome.
56 P84099 (/ISO) P84099 (/ISO) P84099 (/ISO) P84099 (/ISO) P84099 (/ISO) P84099 (/ISO) P84099 (/ISO) P84099 (/ISO) P84099 (/ISO) P84099 (/ISO)
(46 more)
Synapse GO:0045202
The junction between a nerve fiber of one neuron and another neuron, muscle fiber or glial cell. As the nerve fiber approaches the synapse it enlarges into a specialized structure, the presynaptic nerve ending, which contains mitochondria and synaptic vesicles. At the tip of the nerve ending is the presynaptic membrane; facing it, and separated from it by a minute cleft (the synaptic cleft) is a specialized area of membrane on the receiving cell, known as the postsynaptic membrane. In response to the arrival of nerve impulses, the presynaptic nerve ending secretes molecules of neurotransmitters into the synaptic cleft. These diffuse across the cleft and transmit the signal to the postsynaptic membrane.
56 P84099 (/EXP) P84099 (/EXP) P84099 (/EXP) P84099 (/EXP) P84099 (/EXP) P84099 (/EXP) P84099 (/EXP) P84099 (/EXP) P84099 (/EXP) P84099 (/EXP)
(46 more)
Synapse GO:0045202
The junction between a nerve fiber of one neuron and another neuron, muscle fiber or glial cell. As the nerve fiber approaches the synapse it enlarges into a specialized structure, the presynaptic nerve ending, which contains mitochondria and synaptic vesicles. At the tip of the nerve ending is the presynaptic membrane; facing it, and separated from it by a minute cleft (the synaptic cleft) is a specialized area of membrane on the receiving cell, known as the postsynaptic membrane. In response to the arrival of nerve impulses, the presynaptic nerve ending secretes molecules of neurotransmitters into the synaptic cleft. These diffuse across the cleft and transmit the signal to the postsynaptic membrane.
56 P84099 (/IDA) P84099 (/IDA) P84099 (/IDA) P84099 (/IDA) P84099 (/IDA) P84099 (/IDA) P84099 (/IDA) P84099 (/IDA) P84099 (/IDA) P84099 (/IDA)
(46 more)
Cytosolic ribosome GO:0022626
A ribosome located in the cytosol.
9 P36241 (/HDA) P36241 (/HDA) P36241 (/HDA) P36241 (/HDA) P36241 (/HDA) P36241 (/HDA) P36241 (/HDA) P36241 (/HDA) P36241 (/HDA)
Plasma membrane GO:0005886
The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.
4 P49693 (/IDA) P49693 (/IDA) Q9LUQ6 (/IDA) Q9SRX2 (/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 P49693 (/IDA) P49693 (/IDA) Q9SRX2 (/IDA)
Cytosolic ribosome GO:0022626
A ribosome located in the cytosol.
3 P49693 (/IDA) P49693 (/IDA) Q9SRX2 (/IDA)
Nucleolus GO:0005730
A small, dense body one or more of which are present in the nucleus of eukaryotic cells. It is rich in RNA and protein, is not bounded by a limiting membrane, and is not seen during mitosis. Its prime function is the transcription of the nucleolar DNA into 45S ribosomal-precursor RNA, the processing of this RNA into 5.8S, 18S, and 28S components of ribosomal RNA, and the association of these components with 5S RNA and proteins synthesized outside the nucleolus. This association results in the formation of ribonucleoprotein precursors; these pass into the cytoplasm and mature into the 40S and 60S subunits of the ribosome.
2 Q57ZI7 (/IDA) Q9SRX2 (/IDA)
Nucleolus GO:0005730
A small, dense body one or more of which are present in the nucleus of eukaryotic cells. It is rich in RNA and protein, is not bounded by a limiting membrane, and is not seen during mitosis. Its prime function is the transcription of the nucleolar DNA into 45S ribosomal-precursor RNA, the processing of this RNA into 5.8S, 18S, and 28S components of ribosomal RNA, and the association of these components with 5S RNA and proteins synthesized outside the nucleolus. This association results in the formation of ribonucleoprotein precursors; these pass into the cytoplasm and mature into the 40S and 60S subunits of the ribosome.
2 Q4QJ37 (/ISO) Q4QJ39 (/ISO)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
2 Q4QJ37 (/ISO) Q4QJ39 (/ISO)
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 O42699 (/HDA) P05734 (/HDA)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
1 Q57ZI7 (/IDA)
Lipid droplet GO:0005811
An intracellular non-membrane-bounded organelle comprising a matrix of coalesced lipids surrounded by a phospholipid monolayer. May include associated proteins.
1 P14329 (/HDA)
Plasmodesma GO:0009506
A fine cytoplasmic channel, found in all higher plants, that connects the cytoplasm of one cell to that of an adjacent cell.
1 Q9SRX2 (/IDA)
Cell surface GO:0009986
The external part of the cell wall and/or plasma membrane.
1 A0A1D8PK40 (/IDA)
Large ribosomal subunit GO:0015934
The larger of the two subunits of a ribosome. Two sites on the ribosomal large subunit are involved in translation, namely the aminoacyl site (A site) and peptidyl site (P site).
1 P14329 (/IDA)
Membrane GO:0016020
A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
1 Q9SRX2 (/IDA)