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 849: ATP-dependent RNA helicase DBP5

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 10 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.
10 O62591 (/ISO) O62591 (/ISO) O62591 (/ISO) O62591 (/ISO) O62591 (/ISO) O62591 (/ISO) Q09747 (/ISO) Q38F76 (/ISO) Q38F76 (/ISO) Q38F76 (/ISO)
RNA-dependent ATPase activity GO:0008186
Catalysis of the reaction: ATP + H2O = ADP + phosphate; this reaction requires the presence of RNA, and it drives another reaction.
9 O62591 (/ISO) O62591 (/ISO) O62591 (/ISO) O62591 (/ISO) O62591 (/ISO) O62591 (/ISO) Q38F76 (/ISO) Q38F76 (/ISO) Q38F76 (/ISO)
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).
8 P20449 (/IPI) P20449 (/IPI) P20449 (/IPI) P20449 (/IPI) Q12099 (/IPI) Q12099 (/IPI) Q12099 (/IPI) Q12099 (/IPI)
RNA helicase activity GO:0003724
Catalysis of the reaction: ATP + H2O = ADP + phosphate; this reaction drives the unwinding of an RNA helix.
4 P20449 (/IDA) P20449 (/IDA) P20449 (/IDA) P20449 (/IDA)
RNA helicase activity GO:0003724
Catalysis of the reaction: ATP + H2O = ADP + phosphate; this reaction drives the unwinding of an RNA helix.
4 Q12099 (/ISA) Q12099 (/ISA) Q12099 (/ISA) Q12099 (/ISA)
Helicase activity GO:0004386
Catalysis of the reaction: ATP + H2O = ADP + phosphate, to drive the unwinding of a DNA or RNA helix.
4 Q384F2 (/ISM) Q384F2 (/ISM) Q384F2 (/ISM) Q384F2 (/ISM)
ATP binding GO:0005524
Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
4 Q384F2 (/ISM) Q384F2 (/ISM) Q384F2 (/ISM) Q384F2 (/ISM)
RNA-dependent ATPase activity GO:0008186
Catalysis of the reaction: ATP + H2O = ADP + phosphate; this reaction requires the presence of RNA, and it drives another reaction.
4 P20449 (/IDA) P20449 (/IDA) P20449 (/IDA) P20449 (/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.
3 Q38F76 (/IDA) Q38F76 (/IDA) Q38F76 (/IDA)
Helicase activity GO:0004386
Catalysis of the reaction: ATP + H2O = ADP + phosphate, to drive the unwinding of a DNA or RNA helix.
1 Q4Q8B2 (/ISA)

There are 14 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
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.
7 O62591 (/ISA) O62591 (/ISA) O62591 (/ISA) O62591 (/ISA) O62591 (/ISA) O62591 (/ISA) Q4Q8B2 (/ISA)
Germ cell development GO:0007281
The process whose specific outcome is the progression of an immature germ cell over time, from its formation to the mature structure (gamete). A germ cell is any reproductive cell in a multicellular organism.
5 B7WN80 (/IGI) B7WN81 (/IGI) O18056 (/IGI) O62372 (/IGI) Q22308 (/IGI)
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.
4 Q12099 (/IMP) Q12099 (/IMP) Q12099 (/IMP) Q12099 (/IMP)
MRNA export from nucleus GO:0006406
The directed movement of mRNA from the nucleus to the cytoplasm.
4 P20449 (/IMP) P20449 (/IMP) P20449 (/IMP) P20449 (/IMP)
Translational termination GO:0006415
The process resulting in the release of a polypeptide chain from the ribosome, usually in response to a termination codon (UAA, UAG, or UGA in the universal genetic code).
4 P20449 (/IGI) P20449 (/IGI) P20449 (/IGI) P20449 (/IGI)
Translational termination GO:0006415
The process resulting in the release of a polypeptide chain from the ribosome, usually in response to a termination codon (UAA, UAG, or UGA in the universal genetic code).
4 P20449 (/IPI) P20449 (/IPI) P20449 (/IPI) P20449 (/IPI)
Poly(A)+ mRNA export from nucleus GO:0016973
The directed movement of poly(A)+ mRNA out of the nucleus into the cytoplasm.
4 P20449 (/IMP) P20449 (/IMP) P20449 (/IMP) P20449 (/IMP)
Negative regulation of transcription by RNA polymerase II GO:0000122
Any process that stops, prevents, or reduces the frequency, rate or extent of transcription mediated by RNA polymerase II.
1 Q20935 (/IMP)
Cytoplasmic translational termination GO:0002184
The process resulting in the release of a polypeptide chain from the ribosome in the cytoplasm, usually in response to a termination codon.
1 Q09747 (/ISO)
MRNA export from nucleus GO:0006406
The directed movement of mRNA from the nucleus to the cytoplasm.
1 Q09747 (/ISO)
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 Q20935 (/IMP)
Positive regulation of gene expression GO:0010628
Any process that increases the frequency, rate or extent of gene expression. Gene expression is the process in which a gene's coding sequence is converted into a mature gene product or products (proteins or RNA). This includes the production of an RNA transcript as well as any processing to produce a mature RNA product or an mRNA or circRNA (for protein-coding genes) and the translation of that mRNA or circRNA into protein. Protein maturation is included when required to form an active form of a product from an inactive precursor form.
1 Q54TF8 (/IMP)
Sorocarp development GO:0030587
The process whose specific outcome is the progression of the sorocarp over time, from its formation to the mature structure. The process begins with the aggregation of individual cells and ends with the mature sorocarp. The sorocarp is a structure containing a spore-bearing sorus that sits on top of a stalk. An example of this process is found in Dictyostelium discoideum.
1 Q54TF8 (/IMP)
Nucleobase-containing small molecule metabolic process GO:0055086
The cellular chemical reactions and pathways involving a nucleobase-containing small molecule: a nucleobase, a nucleoside, or a nucleotide.
1 Q4Q8B2 (/ISA)

There are 19 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.
9 O62591 (/ISA) O62591 (/ISA) O62591 (/ISA) O62591 (/ISA) O62591 (/ISA) O62591 (/ISA) Q38F76 (/ISA) Q38F76 (/ISA) Q38F76 (/ISA)
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.
8 P20449 (/IDA) P20449 (/IDA) P20449 (/IDA) P20449 (/IDA) Q384F2 (/IDA) Q384F2 (/IDA) Q384F2 (/IDA) Q384F2 (/IDA)
Eukaryotic translation initiation factor 4F complex GO:0016281
The eukaryotic translation initiation factor 4F complex is composed of eIF4E, eIF4A and eIF4G; it is involved in the recognition of the mRNA cap, ATP-dependent unwinding of the 5'-terminal secondary structure and recruitment of the mRNA to the ribosome.
6 O62591 (/IPI) O62591 (/IPI) O62591 (/IPI) O62591 (/IPI) O62591 (/IPI) O62591 (/IPI)
P granule GO:0043186
A small cytoplasmic, non-membranous RNA/protein complex aggregates in the primordial germ cells of many higher eukaryotes.
5 B7WN80 (/IDA) B7WN81 (/IDA) O18056 (/IDA) O62372 (/IDA) Q22308 (/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.
4 Q12099 (/IDA) Q12099 (/IDA) Q12099 (/IDA) Q12099 (/IDA)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
4 P20449 (/IDA) P20449 (/IDA) P20449 (/IDA) P20449 (/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 Q38F76 (/ISA) Q38F76 (/ISA) Q38F76 (/ISA) Q4Q8B2 (/ISA)
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 P20449 (/IDA) P20449 (/IDA) P20449 (/IDA) P20449 (/IDA)
Cellular bud tip GO:0005934
The end of a cellular bud distal to the site of attachment to the mother cell.
4 P20449 (/IDA) P20449 (/IDA) P20449 (/IDA) P20449 (/IDA)
Cytoplasmic stress granule GO:0010494
A dense aggregation in the cytosol composed of proteins and RNAs that appear when the cell is under stress.
4 P20449 (/IDA) P20449 (/IDA) P20449 (/IDA) P20449 (/IDA)
Preribosome, small subunit precursor GO:0030688
A preribosomal complex consisting of 20S pre-rRNA, ribosomal proteins including late-associating small subunit proteins, and associated proteins; a precursor of the eukaryotic cytoplasmic small ribosomal subunit.
4 Q12099 (/IDA) Q12099 (/IDA) Q12099 (/IDA) Q12099 (/IDA)
Nuclear lumen GO:0031981
The volume enclosed by the nuclear inner membrane.
4 Q384F2 (/IDA) Q384F2 (/IDA) Q384F2 (/IDA) Q384F2 (/IDA)
Nuclear pore cytoplasmic filaments GO:0044614
Filamentous extensions on cytoplasmic face of the nuclear pore complex (NPC). In S. cerevisiae, Nup159p, Nup82p, and Nup42p contribute to the cytoplasmic filaments. In vertebrates, Nup358 is a major component.
4 P20449 (/IDA) P20449 (/IDA) P20449 (/IDA) P20449 (/IDA)
FAL1-SGD1 complex GO:0097078
A protein complex involved in the 18S rRNA biogenesis. In S. cerevisiae this complex consists of Fal1p and Sgd1p and in humans this complex consists of NOM1 and eIF4AIII subunits.
4 Q12099 (/IPI) Q12099 (/IPI) Q12099 (/IPI) Q12099 (/IPI)
Eukaryotic translation initiation factor 4F complex GO:0016281
The eukaryotic translation initiation factor 4F complex is composed of eIF4E, eIF4A and eIF4G; it is involved in the recognition of the mRNA cap, ATP-dependent unwinding of the 5'-terminal secondary structure and recruitment of the mRNA to the ribosome.
3 Q38F76 (/ISO) Q38F76 (/ISO) Q38F76 (/ISO)
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 Q09747 (/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.
1 Q09747 (/HDA)
Nuclear lumen GO:0031981
The volume enclosed by the nuclear inner membrane.
1 Q4Q8B2 (/ISO)
Nuclear pore cytoplasmic filaments GO:0044614
Filamentous extensions on cytoplasmic face of the nuclear pore complex (NPC). In S. cerevisiae, Nup159p, Nup82p, and Nup42p contribute to the cytoplasmic filaments. In vertebrates, Nup358 is a major component.
1 O61305 (/ISS)
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