POLD1
POLD1 (DNA polymerase delta catalytic subunit) is a gene whose normal job is to hold cell growth in check. The public catalogues list it as a drug target, a tumour suppressor, a biomarker and a DNA repair gene, and an approved or late-stage drug is recorded against it. Tied to Colorectal cancer, Lung cancer, Breast cancer and 5 more. This dossier gathers the 0 products (0 approved), 0 trials, 0 pathways and 0 resistance routes in the corpus that involve it, with external identifiers so it can be joined to UniProt, ChEMBL, Open Targets and the rest of biology.
Biology
As the catalytic component of the trimeric (Pol-delta3 complex) and tetrameric DNA polymerase delta complexes (Pol-delta4 complex), plays a crucial role in high fidelity genome replication, including in lagging strand synthesis, and repair. Exhibits both DNA polymerase and 3'- to 5'-exonuclease activities. Requires the presence of accessory proteins POLD2, POLD3 and POLD4 for full activity. Depending upon the absence (Pol-delta3) or the presence of POLD4 (Pol-delta4), displays differences in catalytic activity. Most notably, expresses higher proofreading activity in the context of Pol-delta3 compared with that of Pol-delta4. Although both Pol-delta3 and Pol-delta4 process Okazaki fragments in vitro, Pol-delta3 may be better suited to fulfill this task, exhibiting near-absence of strand displacement activity compared to Pol-delta4 and stalling on encounter with the 5'-blocking oligonucleotides. Location: Nucleus (UniProt). Locus 19q13.33 (HGNC).
- Colorectal cancer: Open Targets association 0.76 with colorectal cancer (MONDO_0005575); CIViC evidence names this disease
- Lung cancer: Open Targets association 0.73 with lung cancer (MONDO_0008903)
- Breast cancer: Open Targets association 0.73 with breast cancer (MONDO_0007254); IntOGen driver in 1 cohort (BRCA)
- Leukaemia: Open Targets association 0.71 with leukaemia (MONDO_0005059)
- Non-Hodgkin lymphoma: Open Targets association 0.71 with non-Hodgkin lymphoma (MONDO_0018908)
- Ovarian cancer: Open Targets association 0.69 with ovarian cancer (MONDO_0008170)
External identifiers
Built from HGNC, Ensembl, UniProt and ChEMBL idsProducts by modality and phase
Browse products →No product in the corpus is aimed at this target yet.
Trials
Evidence ranking →No trial in the corpus names this target or one of its products.
Resistance routes
Unaddressed routes →The resistance atlas has no route that names this target.
Pathways
Pathway-to-drug matrix →No pathway diagram carries this target as a node.
Companion diagnostics
Assay registry →No companion diagnostic in the registry measures this target.
Preclinical models
All models →No model entry for this target yet; check the cancer entries on the models page.
Open questions
All open questions →No open questions recorded for this target yet. Suggest one.
Literature
Preprints →Query for this target: (TITLE:"POLD1" OR ABSTRACT:"POLD1" OR TITLE:"DNA polymerase delta 1, catalytic subunit" OR ABSTRACT:"DNA polymerase delta 1, catalytic subunit" OR TITLE:"DNA polymerase delta catalytic subunit" OR ABSTRACT:"DNA polymerase delta catalytic subunit" OR TITLE:"CDC2" OR ABSTRACT:"CDC2") AND (cancer OR tumor OR tumour OR oncology OR carcinoma OR lymphoma OR leukemia OR leukaemia OR myeloma OR sarcoma OR melanoma OR glioma). Results are unfiltered search hits about POLD1, not a curated reading list.
Export
The dossier as machine-readable JSON: identifiers from HGNC, Ensembl, UniProt and ChEMBL, products with status, trials, pathways, hotspots, open questions and assays. The full entity record is in the open API at /api/v1/entities/pold1.json. Licence CC BY-NC 4.0.