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Protein Page:
Phlda3 (human)

Overview
Phlda3 p53/TP53-regulated repressor of Akt/AKT1 signaling. Represses AKT1 by preventing AKT1-binding to membrane lipids, thereby inhibiting AKT1 translocation to the cellular membrane and activation. Contributes to p53/TP53-dependent apoptosis by repressing AKT1 activity. Its directs transcription regulation by p53/TP53 may explain how p53/TP53 can negatively regulate AKT1. May acts as a tumor suppressor. Belongs to the PHLDA3 family. Induced by p53/TP53; expression is directly activated by p53/TP53. p53/TP53 phosphorylation on 'Ser-15' is required to activate the PHLDA3 promoter. Note: This description may include information from UniProtKB.
Cellular Component: cytoplasm; plasma membrane
Molecular Function: phosphatidylinositol-4,5-bisphosphate binding; phosphatidylinositol-3,4,5-triphosphate binding; phosphatidylinositol-5-phosphate binding; phosphatidylinositol-3,4-bisphosphate binding; phosphatidylinositol 3-phosphate binding
Biological Process: anatomical structure morphogenesis; negative regulation of protein kinase B signaling cascade; positive regulation of apoptosis; DNA damage response, signal transduction by p53 class mediator resulting in induction of apoptosis
Reference #:  Q9Y5J5 (UniProtKB)
Alt. Names/Synonyms: PHLA3; PHLDA3; Pleckstrin homology-like domain family A member 3; pleckstrin homology-like domain, family A, member 2; pleckstrin homology-like domain, family A, member 3; TDAG51/Ipl homolog 1; TIH1
Gene Symbols: PHLDA3
Molecular weight: 13,891 Da
Basal Isoelectric point: 9.72  Predict pI for various phosphorylation states
Protein-Specific Antibodies or siRNAs from Cell Signaling Technology® Total Proteins
Select Structure to View Below

Phlda3

Protein Structure Not Found.


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Modification Sites and Domains  

Modification Sites in Parent Protein, Orthologs, and Isoforms  
 

Show Multiple Sequence Alignment


 SS 

SS: The number of records in which this modification site was determined using site-specific methods. SS methods include amino acid sequencing, site-directed mutagenesis, modification site-specific antibodies, specific MS strategies, etc.


 MS 

MS: The number of records in which this modification site was assigned using ONLY proteomic discovery-mode mass spectrometry.


       human

 
0 3 S119-p QTVRARQsLGTGTLV
0 1 T122 RARQsLGTGTLVS__
  mouse

 
S117-p QTVRARQsLGtGTLV
T120-p RARQsLGtGTLVS__
  rat

 
S117 QTVRARQSLGTGTLV
T120 RARQSLGTGTLVS__
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