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 named:

"
P-loop containing nucleotide triphosphate hydrolases
".

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 145: probable ATP-dependent RNA helicase DHX40

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 21 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
RNA helicase activity GO:0003724
Catalysis of the reaction: ATP + H2O = ADP + phosphate; this reaction drives the unwinding of an RNA helix.
5 Q385J5 (/ISA) Q38A61 (/ISA) Q38A61 (/ISA) Q38AN5 (/ISA) Q38AN5 (/ISA)
RNA helicase activity GO:0003724
Catalysis of the reaction: ATP + H2O = ADP + phosphate; this reaction drives the unwinding of an RNA helix.
3 Q8IJA4 (/ISS) Q8IJA4 (/ISS) Q9VY50 (/ISS)
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).
3 P36009 (/IPI) Q80VY9 (/IPI) Q9H6R0 (/IPI)
RDNA binding GO:0000182
Interacting selectively and non-covalently with DNA sequences encoding ribosomal RNA.
2 Q80VY9 (/IDA) Q9H6R0 (/IDA)
Double-stranded RNA binding GO:0003725
Interacting selectively and non-covalently with double-stranded RNA.
2 Q80VY9 (/IDA) Q9H6R0 (/IDA)
RDNA binding GO:0000182
Interacting selectively and non-covalently with DNA sequences encoding ribosomal RNA.
1 Q80VY9 (/ISO)
Nucleic acid binding GO:0003676
Interacting selectively and non-covalently with any nucleic acid.
1 Q385J5 (/ISA)
RNA binding GO:0003723
Interacting selectively and non-covalently with an RNA molecule or a portion thereof.
1 Q9H6R0 (/HDA)
RNA helicase activity GO:0003724
Catalysis of the reaction: ATP + H2O = ADP + phosphate; this reaction drives the unwinding of an RNA helix.
1 P36009 (/IDA)
RNA helicase activity GO:0003724
Catalysis of the reaction: ATP + H2O = ADP + phosphate; this reaction drives the unwinding of an RNA helix.
1 Q03319 (/ISO)
Double-stranded RNA binding GO:0003725
Interacting selectively and non-covalently with double-stranded RNA.
1 Q80VY9 (/ISO)
Double-stranded RNA binding GO:0003725
Interacting selectively and non-covalently with double-stranded RNA.
1 Q80VY9 (/ISS)
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.
1 Q9H6R0 (/IDA)
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.
1 Q80VY9 (/ISO)
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.
1 Q80VY9 (/ISS)
Helicase activity GO:0004386
Catalysis of the reaction: ATP + H2O = ADP + phosphate, to drive the unwinding of a DNA or RNA helix.
1 Q9VL25 (/ISS)
ATP binding GO:0005524
Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
1 Q03319 (/ISM)
Activating transcription factor binding GO:0033613
Interacting selectively and non-covalently with an activating transcription factor, any protein whose activity is required to initiate or upregulate transcription.
1 Q80VY9 (/IPI)
Identical protein binding GO:0042802
Interacting selectively and non-covalently with an identical protein or proteins.
1 P36009 (/IPI)
Ribosomal large subunit binding GO:0043023
Interacting selectively and non-covalently with any part of the larger ribosomal subunit.
1 Q9H6R0 (/IPI)
Ribosomal large subunit binding GO:0043023
Interacting selectively and non-covalently with any part of the larger ribosomal subunit.
1 Q80VY9 (/ISO)

There are 23 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
RNA splicing, via transesterification reactions GO:0000375
Splicing of RNA via a series of two transesterification reactions.
5 Q385J5 (/ISA) Q38A61 (/ISA) Q38A61 (/ISA) Q38AN5 (/ISA) Q38AN5 (/ISA)
RNA splicing GO:0008380
The process of removing sections of the primary RNA transcript to remove sequences not present in the mature form of the RNA and joining the remaining sections to form the mature form of the RNA.
5 Q385J5 (/ISA) Q38A61 (/ISA) Q38A61 (/ISA) Q38AN5 (/ISA) Q38AN5 (/ISA)
RNA splicing GO:0008380
The process of removing sections of the primary RNA transcript to remove sequences not present in the mature form of the RNA and joining the remaining sections to form the mature form of the RNA.
2 Q8IJA4 (/ISS) Q8IJA4 (/ISS)
Positive regulation of transcription by RNA polymerase I GO:0045943
Any process that activates or increases the frequency, rate or extent of transcription mediated by RNA polymerase I.
2 Q80VY9 (/IDA) Q9H6R0 (/IDA)
Regulation of alternative mRNA splicing, via spliceosome GO:0000381
Any process that modulates the frequency, rate or extent of alternative splicing of nuclear mRNAs.
1 Q9VY50 (/IMP)
MRNA splicing, via spliceosome GO:0000398
The joining together of exons from one or more primary transcripts of messenger RNA (mRNA) and the excision of intron sequences, via a spliceosomal mechanism, so that mRNA consisting only of the joined exons is produced.
1 Q385J5 (/ISA)
MRNA splicing, via spliceosome GO:0000398
The joining together of exons from one or more primary transcripts of messenger RNA (mRNA) and the excision of intron sequences, via a spliceosomal mechanism, so that mRNA consisting only of the joined exons is produced.
1 Q9VY50 (/ISS)
Maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) GO:0000462
Any process involved in the maturation of a precursor Small SubUnit (SSU) ribosomal RNA (rRNA) molecule into a mature SSU-rRNA molecule from the pre-rRNA molecule originally produced as a tricistronic rRNA transcript that contains the Small Subunit (SSU) rRNA, 5.8S rRNA, and the Large Subunit (LSU) in that order from 5' to 3' along the primary transcript.
1 P36009 (/IMP)
Regulation of transcription by RNA polymerase I GO:0006356
Any process that modulates the frequency, rate or extent of transcription mediated by RNA polymerase I.
1 X1WET4 (/IMP)
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.
1 Q80VY9 (/IDA)
RRNA methylation GO:0031167
The posttranscriptional addition of methyl groups to specific residues in an rRNA molecule.
1 P36009 (/TAS)
Positive regulation of type I interferon production GO:0032481
Any process that activates or increases the frequency, rate, or extent of type I interferon production. Type I interferons include the interferon-alpha, beta, delta, episilon, zeta, kappa, tau, and omega gene families.
1 Q80VY9 (/IMP)
Positive regulation of type I interferon production GO:0032481
Any process that activates or increases the frequency, rate, or extent of type I interferon production. Type I interferons include the interferon-alpha, beta, delta, episilon, zeta, kappa, tau, and omega gene families.
1 Q9H6R0 (/ISS)
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 P36009 (/IDA)
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 Q03319 (/ISO)
Positive regulation of MAPK cascade GO:0043410
Any process that activates or increases the frequency, rate or extent of signal transduction mediated by the MAPK cascade.
1 Q80VY9 (/IMP)
Positive regulation of MAPK cascade GO:0043410
Any process that activates or increases the frequency, rate or extent of signal transduction mediated by the MAPK cascade.
1 Q9H6R0 (/ISS)
Positive regulation of transcription by RNA polymerase I GO:0045943
Any process that activates or increases the frequency, rate or extent of transcription mediated by RNA polymerase I.
1 Q80VY9 (/ISO)
Positive regulation of NF-kappaB transcription factor activity GO:0051092
Any process that activates or increases the frequency, rate or extent of activity of the transcription factor NF-kappaB.
1 Q80VY9 (/IMP)
Positive regulation of NF-kappaB transcription factor activity GO:0051092
Any process that activates or increases the frequency, rate or extent of activity of the transcription factor NF-kappaB.
1 Q9H6R0 (/ISS)
Positive regulation of NLRP3 inflammasome complex assembly GO:1900227
Any process that activates or increases the frequency, rate or extent of NLRP3 inflammasome complex assembly.
1 Q9H6R0 (/IDA)
Positive regulation of NLRP3 inflammasome complex assembly GO:1900227
Any process that activates or increases the frequency, rate or extent of NLRP3 inflammasome complex assembly.
1 Q80VY9 (/ISO)
Positive regulation of NLRP3 inflammasome complex assembly GO:1900227
Any process that activates or increases the frequency, rate or extent of NLRP3 inflammasome complex assembly.
1 Q80VY9 (/ISS)

There are 16 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
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.
6 Q385J5 (/IDA) Q38A61 (/IDA) Q38A61 (/IDA) Q38AN5 (/IDA) Q38AN5 (/IDA) Q9H6R0 (/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.
6 I3L1L6 (/IDA) P36009 (/IDA) Q38A61 (/IDA) Q38A61 (/IDA) Q80VY9 (/IDA) Q9H6R0 (/IDA)
Nucleoplasm GO:0005654
That part of the nuclear content other than the chromosomes or the nucleolus.
4 Q38AN5 (/IDA) Q38AN5 (/IDA) Q80VY9 (/IDA) Q9H6R0 (/IDA)
Spliceosomal complex GO:0005681
Any of a series of ribonucleoprotein complexes that contain snRNA(s) and small nuclear ribonucleoproteins (snRNPs), and are formed sequentially during the spliceosomal splicing of one or more substrate RNAs, and which also contain the RNA substrate(s) from the initial target RNAs of splicing, the splicing intermediate RNA(s), to the final RNA products. During cis-splicing, the initial target RNA is a single, contiguous RNA transcript, whether mRNA, snoRNA, etc., and the released products are a spliced RNA and an excised intron, generally as a lariat structure. During trans-splicing, there are two initial substrate RNAs, the spliced leader RNA and a pre-mRNA.
4 Q38A61 (/ISA) Q38A61 (/ISA) Q38AN5 (/ISA) Q38AN5 (/ISA)
Nucleoplasm GO:0005654
That part of the nuclear content other than the chromosomes or the nucleolus.
2 Q4Q1D7 (/ISO) Q80VY9 (/ISO)
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 Q4Q0J4 (/ISO) Q80VY9 (/ISO)
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 Q80VY9 (/ISO)
Nucleoplasm GO:0005654
That part of the nuclear content other than the chromosomes or the nucleolus.
1 P36009 (/TAS)
Spliceosomal complex GO:0005681
Any of a series of ribonucleoprotein complexes that contain snRNA(s) and small nuclear ribonucleoproteins (snRNPs), and are formed sequentially during the spliceosomal splicing of one or more substrate RNAs, and which also contain the RNA substrate(s) from the initial target RNAs of splicing, the splicing intermediate RNA(s), to the final RNA products. During cis-splicing, the initial target RNA is a single, contiguous RNA transcript, whether mRNA, snoRNA, etc., and the released products are a spliced RNA and an excised intron, generally as a lariat structure. During trans-splicing, there are two initial substrate RNAs, the spliced leader RNA and a pre-mRNA.
1 Q9VY50 (/ISS)
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.
1 Q03319 (/HDA)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
1 Q9H6R0 (/IDA)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
1 Q80VY9 (/ISO)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
1 Q80VY9 (/ISS)
NLRP3 inflammasome complex GO:0072559
A protein complex that consists of three components, NLRP3 (NALP3), PYCARD and caspase-1. It is activated upon exposure to whole pathogens, as well as a number of structurally diverse pathogen- and danger-associated molecular patterns (PAMPs and DAMPs) and environmental irritants. Whole pathogens demonstrated to activate the NLRP3 inflammasome complex include the fungi Candida albicans and Saccharomyces cerevisiae, bacteria that produce pore-forming toxins, including Listeria monocytogenes and Staphylococcus aureus, and viruses such as Sendai virus, adenovirus, and influenza virus.
1 Q9H6R0 (/IDA)
NLRP3 inflammasome complex GO:0072559
A protein complex that consists of three components, NLRP3 (NALP3), PYCARD and caspase-1. It is activated upon exposure to whole pathogens, as well as a number of structurally diverse pathogen- and danger-associated molecular patterns (PAMPs and DAMPs) and environmental irritants. Whole pathogens demonstrated to activate the NLRP3 inflammasome complex include the fungi Candida albicans and Saccharomyces cerevisiae, bacteria that produce pore-forming toxins, including Listeria monocytogenes and Staphylococcus aureus, and viruses such as Sendai virus, adenovirus, and influenza virus.
1 Q80VY9 (/ISO)
NLRP3 inflammasome complex GO:0072559
A protein complex that consists of three components, NLRP3 (NALP3), PYCARD and caspase-1. It is activated upon exposure to whole pathogens, as well as a number of structurally diverse pathogen- and danger-associated molecular patterns (PAMPs and DAMPs) and environmental irritants. Whole pathogens demonstrated to activate the NLRP3 inflammasome complex include the fungi Candida albicans and Saccharomyces cerevisiae, bacteria that produce pore-forming toxins, including Listeria monocytogenes and Staphylococcus aureus, and viruses such as Sendai virus, adenovirus, and influenza virus.
1 Q80VY9 (/ISS)