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 16: Heat shock protein 70

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 12 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 C8Z3H3 (/IPI) O59855 (/IPI) P10591 (/IPI) P10591 (/IPI) P10591 (/IPI) P10592 (/IPI)
TRNA binding GO:0000049
Interacting selectively and non-covalently with transfer RNA.
4 P10591 (/IDA) P10591 (/IDA) P10591 (/IDA) P10592 (/IDA)
ATPase activity GO:0016887
Catalysis of the reaction: ATP + H2O = ADP + phosphate + 2 H+. May or may not be coupled to another reaction.
3 P10591 (/IDA) P10591 (/IDA) P10591 (/IDA)
Unfolded protein binding GO:0051082
Interacting selectively and non-covalently with an unfolded protein.
3 P10591 (/IDA) P10591 (/IDA) P10591 (/IDA)
ATPase activity GO:0016887
Catalysis of the reaction: ATP + H2O = ADP + phosphate + 2 H+. May or may not be coupled to another reaction.
2 O59855 (/ISO) Q10265 (/ISO)
ATPase activity GO:0016887
Catalysis of the reaction: ATP + H2O = ADP + phosphate + 2 H+. May or may not be coupled to another reaction.
2 P10592 (/ISS) P34935 (/ISS)
Peptide binding GO:0042277
Interacting selectively and non-covalently with peptides, any of a group of organic compounds comprising two or more amino acids linked by peptide bonds.
2 P41797 (/IDA) P46587 (/IDA)
Unfolded protein binding GO:0051082
Interacting selectively and non-covalently with an unfolded protein.
2 O59855 (/ISO) Q10265 (/ISO)
ATP binding GO:0005524
Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
1 P10592 (/IDA)
Peptide binding GO:0042277
Interacting selectively and non-covalently with peptides, any of a group of organic compounds comprising two or more amino acids linked by peptide bonds.
1 P46587 (/IMP)
Unfolded protein binding GO:0051082
Interacting selectively and non-covalently with an unfolded protein.
1 P10592 (/IGI)
Unfolded protein binding GO:0051082
Interacting selectively and non-covalently with an unfolded protein.
1 P10592 (/ISS)

There are 35 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
Protein folding GO:0006457
The process of assisting in the covalent and noncovalent assembly of single chain polypeptides or multisubunit complexes into the correct tertiary structure.
4 P10591 (/IDA) P10591 (/IDA) P10591 (/IDA) P10592 (/IDA)
Proteasome-mediated ubiquitin-dependent protein catabolic process GO:0043161
The chemical reactions and pathways resulting in the breakdown of a protein or peptide by hydrolysis of its peptide bonds, initiated by the covalent attachment of ubiquitin, and mediated by the proteasome.
4 P10591 (/IGI) P10591 (/IGI) P10591 (/IGI) P10592 (/IGI)
Negative regulation of cell aging GO:0090344
Any process that decreases the rate, frequency, or extent of cell aging. Cell aging is the progression of the cell from its inception to the end of its lifespan.
4 P10591 (/IMP) P10591 (/IMP) P10591 (/IMP) P10592 (/IMP)
Protein polyubiquitination GO:0000209
Addition of multiple ubiquitin groups to a protein, forming a ubiquitin chain.
3 P10591 (/IDA) P10591 (/IDA) P10591 (/IDA)
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.
3 P10591 (/IMP) P10591 (/IMP) P10591 (/IMP)
Protein import into nucleus GO:0006606
The directed movement of a protein from the cytoplasm to the nucleus.
3 P10591 (/IDA) P10591 (/IDA) P10591 (/IDA)
Protein import into nucleus GO:0006606
The directed movement of a protein from the cytoplasm to the nucleus.
3 P10591 (/IGI) P10591 (/IGI) P10591 (/IGI)
SRP-dependent cotranslational protein targeting to membrane, translocation GO:0006616
The process during cotranslational membrane targeting wherein proteins move across a membrane. SRP and its receptor initiate the transfer of the nascent chain across the endoplasmic reticulum (ER) membrane; they then dissociate from the chain, which is transferred to a set of transmembrane proteins, collectively called the translocon. Once the nascent chain translocon complex is assembled, the elongating chain passes directly from the large ribosomal subunit into the centers of the translocon, a protein-lined channel within the membrane. The growing chain is never exposed to the cytosol and does not fold until it reaches the ER lumen.
3 P10591 (/IDA) P10591 (/IDA) P10591 (/IDA)
Protein targeting to mitochondrion GO:0006626
The process of directing proteins towards and into the mitochondrion, usually mediated by mitochondrial proteins that recognize signals contained within the imported protein.
3 P10591 (/IMP) P10591 (/IMP) P10591 (/IMP)
Stress granule disassembly GO:0035617
The disaggregation of a stress granule into its constituent protein and RNA parts.
3 P10591 (/IDA) P10591 (/IDA) P10591 (/IDA)
Protein refolding GO:0042026
The process carried out by a cell that restores the biological activity of an unfolded or misfolded protein, using helper proteins such as chaperones.
3 P10591 (/IDA) P10591 (/IDA) P10591 (/IDA)
Proteasome-mediated ubiquitin-dependent protein catabolic process GO:0043161
The chemical reactions and pathways resulting in the breakdown of a protein or peptide by hydrolysis of its peptide bonds, initiated by the covalent attachment of ubiquitin, and mediated by the proteasome.
3 P10591 (/IMP) P10591 (/IMP) P10591 (/IMP)
Clathrin coat disassembly GO:0072318
The disaggregation of a clathrin coat into its constituent components; results in stripping or removing the clathrin coat from clathrin-coated vesicles (CCV) before fusing with their targets. CVVs transport cargo from plasma membrane and trans-Golgi to the endosomal system.
3 P10591 (/IDA) P10591 (/IDA) P10591 (/IDA)
Response to toxic substance GO:0009636
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 a toxic stimulus.
2 P41797 (/IMP) P46587 (/IMP)
Antimicrobial humoral response GO:0019730
An immune response against microbes mediated through a body fluid. Examples of this process are seen in the antimicrobial humoral response of Drosophila melanogaster and Mus musculus.
2 P41797 (/TAS) P46587 (/TAS)
Protein refolding GO:0042026
The process carried out by a cell that restores the biological activity of an unfolded or misfolded protein, using helper proteins such as chaperones.
2 O59855 (/ISO) Q10265 (/ISO)
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.
1 Q10265 (/ISO)
Protein folding GO:0006457
The process of assisting in the covalent and noncovalent assembly of single chain polypeptides or multisubunit complexes into the correct tertiary structure.
1 P10592 (/IMP)
SRP-dependent cotranslational protein targeting to membrane, translocation GO:0006616
The process during cotranslational membrane targeting wherein proteins move across a membrane. SRP and its receptor initiate the transfer of the nascent chain across the endoplasmic reticulum (ER) membrane; they then dissociate from the chain, which is transferred to a set of transmembrane proteins, collectively called the translocon. Once the nascent chain translocon complex is assembled, the elongating chain passes directly from the large ribosomal subunit into the centers of the translocon, a protein-lined channel within the membrane. The growing chain is never exposed to the cytosol and does not fold until it reaches the ER lumen.
1 P10592 (/IMP)
Peptide transport GO:0015833
The directed movement of peptides, compounds of two or more amino acids where the alpha carboxyl group of one is bound to the alpha amino group of another, into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
1 P46587 (/IMP)
Entry into host cell GO:0030260
The invasion by an organism of a cell of its host organism. The host is defined as the larger of the organisms involved in a symbiotic interaction.
1 P41797 (/IMP)
Positive regulation of cell migration GO:0030335
Any process that activates or increases the frequency, rate or extent of cell migration.
1 P34935 (/ISS)
Posttranslational protein targeting to membrane, translocation GO:0031204
The process in which a protein translocates through the ER membrane posttranslationally.
1 P34935 (/ISS)
Cellular response to heat GO:0034605
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 heat stimulus, a temperature stimulus above the optimal temperature for that organism.
1 P41797 (/IEP)
Cellular response to heat GO:0034605
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 heat stimulus, a temperature stimulus above the optimal temperature for that organism.
1 P41797 (/IMP)
Maintenance of protein localization in endoplasmic reticulum GO:0035437
Any process in which a protein is maintained in the endoplasmic reticulum and prevented from moving elsewhere. These include sequestration within the endoplasmic reticulum, protein stabilization to prevent transport elsewhere and the active retrieval of proteins that escape the endoplasmic reticulum.
1 P34935 (/ISS)
TRNA import into nucleus GO:0035719
The directed movement of tRNA from the cytoplasm to the nucleus.
1 P10592 (/IMP)
Induction by symbiont of host defense response GO:0044416
The activation by an organism of the defense response of the host organism. The host is defined as the larger of the organisms involved in a symbiotic interaction.
1 P41797 (/IDA)
Interaction with host GO:0051701
An interaction between two organisms living together in more or less intimate association. The term host is used for the larger (macro) of the two members of a symbiosis; the various forms of symbiosis include parasitism, commensalism and mutualism.
1 P41797 (/IDA)
Chaperone-mediated protein folding GO:0061077
The process of inhibiting aggregation and assisting in the covalent and noncovalent assembly of single chain polypeptides or multisubunit complexes into the correct tertiary structure that is dependent on interaction with a chaperone.
1 O59855 (/NAS)
Cellular response to osmotic stress GO:0071470
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 an increase or decrease in the concentration of solutes outside the organism or cell.
1 Q5B2V1 (/IEP)
Negative regulation of protein homodimerization activity GO:0090074
Any process that decreases the frequency, rate or extent of protein homodimerization, interacting selectively with an identical protein to form a homodimer.
1 P34935 (/ISS)
Cellular response to farnesol GO:0097308
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 farnesol stimulus.
1 Q5B2V1 (/IEP)
Negative regulation of cellular response to heat GO:1900035
Any process that stops, prevents or reduces the frequency, rate or extent of cellular response to heat.
1 O59855 (/IMP)
Negative regulation of IRE1-mediated unfolded protein response GO:1903895
Any process that stops, prevents or reduces the frequency, rate or extent of the IRE1-mediated unfolded protein response.
1 P34935 (/ISS)

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
Extracellular region GO:0005576
The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.
8 Q2UBH7 (/IDA) Q2UBH7 (/IDA) Q2UBH7 (/IDA) Q2UBH7 (/IDA) Q2UBH7 (/IDA) Q2UBH7 (/IDA) Q2UBH7 (/IDA) Q5B2V1 (/IDA)
Fungal-type cell wall GO:0009277
A rigid yet dynamic structure surrounding the plasma membrane that affords protection from stresses and contributes to cell morphogenesis, consisting of extensively cross-linked glycoproteins and carbohydrates. The glycoproteins may be modified with N- or O-linked carbohydrates, or glycosylphosphatidylinositol (GPI) anchors; the polysaccharides are primarily branched glucans, including beta-linked and alpha-linked glucans, and may also include chitin and other carbohydrate polymers, but not cellulose or pectin. Enzymes involved in cell wall biosynthesis are also found in the cell wall. Note that some forms of fungi develop a capsule outside of the cell wall under certain circumstances; this is considered a separate structure.
6 P10591 (/IDA) P10591 (/IDA) P10591 (/IDA) P10592 (/IDA) P41797 (/IDA) P46587 (/IDA)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
5 O59855 (/IDA) P10591 (/IDA) P10591 (/IDA) P10591 (/IDA) P10592 (/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.
5 O59855 (/HDA) P10591 (/HDA) P10591 (/HDA) P10591 (/HDA) Q10265 (/HDA)
Fungal-type vacuole membrane GO:0000329
The lipid bilayer surrounding a vacuole, the shape of which correlates with cell cycle phase. The membrane separates its contents from the cytoplasm of the cell. An example of this structure is found in Saccharomyces cerevisiae.
4 P10591 (/IDA) P10591 (/IDA) P10591 (/IDA) P10592 (/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.
4 O59855 (/HDA) P10591 (/HDA) P10591 (/HDA) P10591 (/HDA)
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.
4 O59855 (/IDA) P10591 (/IDA) P10591 (/IDA) P10591 (/IDA)
Polysome GO:0005844
A multiribosomal structure representing a linear array of ribosomes held together by messenger RNA. They represent the active complexes in cellular protein synthesis and are able to incorporate amino acids into polypeptides both in vivo and in vitro.
4 P10591 (/IDA) P10591 (/IDA) P10591 (/IDA) P10592 (/IDA)
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 P10591 (/HDA) P10591 (/HDA) P10591 (/HDA) P10592 (/HDA)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
3 P10591 (/HDA) P10591 (/HDA) P10591 (/HDA)
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 P10592 (/IDA) P41797 (/IDA) Q6FTB5 (/IDA)
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.
2 P41797 (/IDA) P46587 (/IDA)
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.
2 P41797 (/TAS) P46587 (/TAS)
Cell surface GO:0009986
The external part of the cell wall and/or plasma membrane.
2 P41797 (/IDA) P46587 (/IDA)
Hyphal cell wall GO:0030446
The cell wall surrounding a fungal hypha.
2 P41797 (/IDA) P46587 (/IDA)
Fungal biofilm matrix GO:0062040
An extracellular matrix lying external to fungal cells. The fungal biofilm matrix consists of polysaccharides, proteins, lipids, and nucleic acids. Fungal biofilms mediate adherence to host tissues, and provide protection from host immune defenses.
2 P41797 (/IDA) P46587 (/IDA)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
1 P34935 (/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 P10592 (/HDA)
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 P10592 (/IDA)
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 P34935 (/ISS)
Cytosol GO:0005829
The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
1 P34935 (/ISS)
Membrane GO:0016020
A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
1 P46587 (/IDA)
Yeast-form cell wall GO:0030445
The wall surrounding a cell of a dimorphic fungus growing in the single-cell budding yeast form, in contrast to the filamentous or hyphal form.
1 P41797 (/IDA)
Intracellular membrane-bounded organelle GO:0043231
Organized structure of distinctive morphology and function, bounded by a single or double lipid bilayer membrane and occurring within the cell. Includes the nucleus, mitochondria, plastids, vacuoles, and vesicles. Excludes the plasma membrane.
1 P34935 (/ISS)
Post-mRNA release spliceosomal complex GO:0071014
A spliceosomal complex that is formed following the release of the spliced product from the post-spliceosomal complex and contains the excised intron and three snRNPs, including U5.
1 O59855 (/IDA)