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Overview

Uniprot IDQ9H2J4
Protein NamePhosducin-like protein 3
Gene NamePDCL3
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
83 RRRLAEWKATKLKNK

Function

Acts as a chaperone for the angiogenic VEGF receptor KDR/VEGFR2, increasing its abundance by inhibiting its ubiquitination and degradation (PubMed:23792958, PubMed:26059764). Inhibits the folding activity of the chaperonin-containing T-complex (CCT) which leads to inhibition of cytoskeletal actin folding (PubMed:17429077). Acts as a chaperone during heat shock alongside HSP90 and HSP40/70 chaperone complexes (By similarity). Modulates the activation of caspases during apoptosis (PubMed:15371430)

Protein Sequence

10 MQDPNADTEW 20 NDILRKKGIL 30 PPKESLKELE 40 EEAEEEQRIL 50 QQSVVKTYED 60 MTLEELEDHE 70 DEFNEEDERA 80 IEMYRRRRLA 90 EWKATKLKNK 100 FGEVLEISGK 110 DYVQEVTKAG 120 EGLWVILHLY 130 KQGIPLCALI 140 NQHLSGLARK 150 FPDVKFIKAI 160 STTCIPNYPD 170 RNLPTIFVYL 180 EGDIKAQFIG 190 PLVFGGMNLT 200 RDELEWKLSE 210 SGAIMTDLEE 220 NPKKPIEDVL 230 LSSVRRSVLM KRDSDSEGD

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005737 cytoplasm
Cellular Component GO:0005829 cytosol
Cellular Component GO:0005783 endoplasmic reticulum
Cellular Component GO:0005654 nucleoplasm
Cellular Component GO:0048471 perinuclear region of cytoplasm
Cellular Component GO:0097356 perinucleolar compartment
Cellular Component GO:0032991 protein-containing complex
Molecular Function GO:0044183 protein folding chaperone
Molecular Function GO:0043184 vascular endothelial growth factor receptor 2 binding
Biological Process GO:0030036 actin cytoskeleton organization
Biological Process GO:0001525 angiogenesis
Biological Process GO:0006915 apoptotic process
Biological Process GO:1903333 negative regulation of protein folding
Biological Process GO:2000059 negative regulation of ubiquitin-dependent protein catabolic process
Biological Process GO:0045766 positive regulation of angiogenesis
Biological Process GO:0001938 positive regulation of endothelial cell proliferation
Biological Process GO:0010628 positive regulation of gene expression
Biological Process GO:0006457 protein folding
Biological Process GO:0050821 protein stabilization
Biological Process GO:0050730 regulation of peptidyl-tyrosine phosphorylation

Reference

[1] Wu Q, Li Z, Gong T, Zheng X, Zhou X et al.. Porphyromonas gingivalis infection induces lysine lactylation reprogramming in human umbilical vein endothelial cells.. Front Cell Infect Microbiol 16:1706727. 2026. PMID: 41696360.