Gene Symbol | PPP4R2 |
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Entrez Gene | 151987 |
Alt Symbol | PP4R2 |
Species | Human |
Gene Type | protein-coding |
Description | protein phosphatase 4, regulatory subunit 2 |
Other Description | serine/threonine-protein phosphatase 4 regulatory subunit 2 |
Swissprots | A8K1I6 Q8WXX6 Q498B8 Q9NY27 Q2TAJ9 |
Accessions | EAW65530 Q9NY27 AF327345 AAL56006 AJ271448 CAB93534 AK289901 BAF82590 AL833216 BC100281 AAI00282 BC110889 AAI10890 BC128136 AAI28137 BC128137 AAI28138 NM_174907 NP_777567 |
Function | Regulatory subunit of serine/threonine-protein phosphatase 4 (PP4). May regulate the activity of PPP4C at centrosomal microtubule organizing centers. Its interaction with the SMN complex leads to enhance the temporal localization of snRNPs, suggesting a role of PPP4C in maturation of spliceosomal snRNPs. The PPP4C-PPP4R2-PPP4R3A PP4 complex specifically dephosphorylates H2AFX phosphorylated on 'Ser-140' (gamma-H2AFX) generated during DNA replication and required for DNA double strand break repair. Mediates RPA2 dephosphorylation by recruiting PPP4C to RPA2 in a DNA damage-dependent manner. RPA2 dephosphorylation is required for the efficient RPA2-mediated recruitment of RAD51 to chromatin following double strand breaks, an essential step for DNA repair. {ECO:0000269|PubMed:10769191, ECO:0000269|PubMed:12668731, ECO:0000269|PubMed:18614045, ECO:0000269|PubMed:20154705}. |
Subcellular Location | Cytoplasm, cytoskeleton, microtubule organizing center, centrosome. Nucleus. Note=Ionizing radiation induces relocalization to nuclear foci and colocalization with RPA2. |
Tissue Specificity | Widely expressed. {ECO:0000269|PubMed:12668731}. |
PPP4R2 Antibody Blocking Peptide - LS-E5918 from LifeSpan Bioscience
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PPP4R2 Antibody Blocking Peptide - LS-E15732 from LifeSpan Bioscience
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PPP4R2-Antibody-Center-Blocking-Peptide - BP18485c from Abgent, a WuXi AppTec company
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PPP4R2 Blocking Peptide - 33R-2177 from Fitzgerald
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PPP4R2 fusion protein - ag18486 from Proteintech Group
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PPP4R2 fusion protein - Ag18165 from Proteintech Group
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Recombinant Human Serine/threonine-protein phosphatase 4 regulatory subunit 2(PP - CSB-YP889144HU CSB-EP889144HU CSB-BP889144HU CSB-MP889144HU from Cusabio
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PPP4R2 Protein - abx164897 from Abbexa
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PPP4R2 Recombinant Protein Antigen - NBP2-38453PEP from Novus Biologicals
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PPP4R2 Recombinant Protein Antigen - NBP1-89432PEP from Novus Biologicals
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PPP4R2 Blocking Peptide - abx061319 from Abbexa
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PPP4R2 Peptide, Human - M34GP12292H from Creative Peptides
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PPP4R2 Blocking Peptide - CBP5232 from Cohesion Biosciences
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PPP4R2 Recombinant Protein Antigen - NBP2-58011PEP from Novus Biologicals
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Serine/threonine-protein phosphatase 4 regulatory subunit 2 (PPP4R2), Recombinant Protein - MBS1455983 from MyBioSource
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PPP4R2 peptide - orb319378 from Biorbyt
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