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A multi-component enzymatic machine at the replication fork which mediates DNA replication. Includes DNA primase, one or more DNA polymerases, DNA helicases, and other proteins. Any macromolecular complex composed of two or more polypeptide subunits, which may or may not be identical. Protein complexes may have other associated non-protein prosthetic groups, such as nucleotides, metal ions or other small molecules. A multi-component enzymatic machine at the nuclear replication fork, which mediates DNA replication. Includes DNA primase, one or more DNA polymerases, DNA helicases, and other proteins. Any constituent part of a nuclear chromosome, a chromosome found in the nucleus of a eukaryotic cell. A complex of four polypeptides, comprising large and small DNA polymerase alpha subunits and two primase subunits, which catalyzes the synthesis of an RNA primer on the lagging strand of replicating DNA; the smaller of the two primase subunits alone can catalyze oligoribonucleotide synthesis. Any constituent part of the nucleus, a membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. A stable assembly of two or more macromolecules, i.e. proteins, nucleic acids, carbohydrates or lipids, in which the constituent parts function together. Any constituent part of a chromosome, a structure composed of a very long molecule of DNA and associated proteins (e.g. histones) that carries hereditary information. A chromosome found in the nucleus of a eukaryotic cell. The Y-shaped region of a nuclear replicating DNA molecule, resulting from the separation of the DNA strands and in which the synthesis of new strands takes place. Also includes associated protein complexes.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: alpha DNA polymerase:primase complex
Acc: GO:0005658
Aspect: Cellular Component
Desc: A complex of four polypeptides, comprising large and small DNA polymerase alpha subunits and two primase subunits, which catalyzes the synthesis of an RNA primer on the lagging strand of replicating DNA; the smaller of the two primase subunits alone can catalyze oligoribonucleotide synthesis.
Synonyms:
  • heterotetrameric polymerase alpha holoenzyme
  • DNA polymerase alpha:primase complex
  • pol-prim
  • primosome
Proteins in PDR annotated with:
   This term: 66 [Search]
   Term or descendants: 66 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0005658 - alpha DNA polymerase:primase complex (interactive image map)
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