Search Results
Overview
| Uniprot ID | Q9NQP4 |
|---|---|
| Protein Name | Prefoldin subunit 4 |
| Gene Name | PFDN4 |
| Organism | Homo sapiens |
Kla Sites from experimental identification
| Position | Flanking peptide |
|---|---|
| 7 | *MAATMKKAAAEDVN |
Function
Binds specifically to cytosolic chaperonin (c-CPN) and transfers target proteins to it. Binds to nascent polypeptide chain and promotes folding in an environment in which there are many competing pathways for nonnative proteins
Protein Sequence
Gene Ontology
| Classification | GO ID | Description |
|---|---|---|
| Cellular Component | GO:0005737 | cytoplasm |
| Cellular Component | GO:0005829 | cytosol |
| Cellular Component | GO:0005739 | mitochondrion |
| Cellular Component | GO:0005634 | nucleus |
| Cellular Component | GO:0016272 | prefoldin complex |
| Molecular Function | GO:0001540 | amyloid-beta binding |
| Molecular Function | GO:0051087 | protein-folding chaperone binding |
| Molecular Function | GO:0051082 | unfolded protein binding |
| Biological Process | GO:1905907 | negative regulation of amyloid fibril formation |
| Biological Process | GO:0006457 | protein folding |
Reference
[1] Yang Z, Yan C, Ma J, Peng P, Ren X et al.. Lactylome analysis suggests lactylation-dependent mechanisms of metabolic adaptation in hepatocellular carcinoma.. Nat Metab 5(1):61-79. 2023 Jan. PMID: 36593272.
[2] He C, Zhang J, Bai X, Lu C, Zhang K. Lysine lactylation-based insight to understanding the characterization of cervical cancer.. Biochim Biophys Acta Mol Basis Dis 1870(7):167356. 2024 Oct. PMID: 39025375.
[3] Guo X, Ren X, Yan C, Huang H. Quantitative Proteomics Reveals the Role of Lysine Lactylation in Lenalidomide-Resistance in Multiple Myeloma Cells.. ACS Chem Biol 20(7):1728-1738. 2025 Jul 18. PMID: 40590393.
[4] He J, Lai T, Zhou Z, Yang H, Lei Z et al.. Multiomics profiling reveals the involvement of protein lactylation in nonhomologous end joining pathway conferring radioresistance in lung adenocarcinoma cell.. Sci Rep 15(1):24651. 2025 Jul 9. PMID: 40634431.
[5] Chao L, Xu Y, Yang Y, Ao X, Liang J. Identification of lactylation-related biomarkers for diagnosis, prognosis, and treatment responsiveness in triple-negative breast cancer.. World J Surg Oncol 24(1):77. 2026 Jan 22. PMID: 41566505.