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- Table of Contents
Facts about Proliferation-associated protein 2G4.
Acts a corepressor of the androgen receptor (AR) and is regulated by the ERBB3 ligand neuregulin-1/heregulin (HRG). Inhibits transcription of some E2F1-regulated promoters, likely by recruiting histone acetylase (HAT) activity.
Human | |
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Gene Name: | PA2G4 |
Uniprot: | Q9UQ80 |
Entrez: | 5036 |
Belongs to: |
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peptidase M24 family |
Cell cycle protein p38-2G4 homolog; EBP1; ErbB-3 binding protein 1; ErbB3-binding protein 1; ErbB3-binding protein Ebp1; HG4-1; p38-2G4; PA2G4; proliferation-associated 2G4, 38kD; proliferation-associated 2G4, 38kDa; proliferation-associated protein 2G4
Mass (kDA):
43.787 kDA
Human | |
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Location: | 12q13.2 |
Sequence: | 12; NC_000012.12 (56104559..56113910) |
Isoform 2 is undetectable whereas isoform 1 is strongly expressed in cancer cells (at protein level). Isoform 1 and isoform 2 are widely expressed, including heart, brain, lung, pancreas, skeletal muscle, kidney, placenta and liver.
[Isoform 1]: Cytoplasm. Nucleus, nucleolus. Translocates to the nucleus upon treatment with HRG. Phosphorylation at Ser-361 by PKC/PRKCD regulates its nucleolar localization.; [Isoform 2]: Cytoplasm.
PMID: 9345902 by Lamartine J., et al. Molecular cloning and mapping of a human cDNA (PA2G4) that encodes a protein highly homologous to the mouse cell cycle protein p38-2G4.
PMID: 10682683 by Yoo J.Y., et al. Interaction of the PA2G4 (EBP1) protein with ErbB-3 and regulation of this binding by heregulin.