• Western blot of human T47D cell lysate showing specific immunolabeling of the ~100 kDa CtIP phosphorylated at Thr847 in the first lane (-). Phosphospecificity is shown in the second lane (+) where immunolabeling is completely eliminated by blot treatment with lambda phosphatase ( Lambda-Ptase, 1200 units for 30 min).

Anti-Phospho-RBBP8-Thr847 antibody (STJA0003829)

SKU:
STJA0003829-100

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Host: Rabbit
Applications: WB
Reactivity: Human/Bovine/Canine/Chicken/Finch/Goat/Guinea Pig/Non-Human Primates/Mouse/Sheep
Note: STRICTLY FOR FURTHER SCIENTIFIC RESEARCH USE ONLY (RUO). MUST NOT TO BE USED IN DIAGNOSTIC OR THERAPEUTIC APPLICATIONS.
Short Description: Rabbit polyclonal antibody anti-Phospho-CtIP-Thr847 is suitable for use in Western Blot research applications.
Clonality: Polyclonal
Conjugation: Unconjugated
Isotype: IgG
Formulation: 100 µl in 10 mM HEPES (pH 7.5) , 150 mM NaCl, 100 µg per ml BSA and 50% Glycerol.
Purification: This antibody was antigen affinity purified from pooled serum.
Dilution Range: WB 1:1000
IHC
ICC
IP
Storage Instruction: Store at-20°C for up to 1 year from the date of receipt, and avoid repeat freeze-thaw cycles.
Gene Symbol: RBBP8
Gene ID: 5932
Uniprot ID: CTIP_HUMAN
Immunogen: Synthetic phospho-peptide corresponding to amino acid residues surrounding Thr847 conjugated to KLH of human species
Tissue Specificity Expressed in ER-positive breast cancer lines, but tends to be down-regulated ER-negative cells (at protein level).
Post Translational Modifications Hyperphosphorylation upon ionizing radiation results in dissociation from BRCA1. Phosphorylation at Thr-847 by CDK1 is essential for the recruitment to DNA and the DNA repair function. Phosphorylated on Ser-327 as cells enter G2 phase. This phosphorylation is required for binding BRCA1 and for the G2/M DNA damage transition checkpoint control. Phosphorylation at Thr-315, probably catalyzed by CDK2, is required for PIN1-binding, while phosphorylation at Ser-276 serves as a PIN1 isomerization site. Phosphorylation at Thr-315 is cell-cycle dependent. It steadily increases during S phase, peaks at late S/G2 phase, and drops at G1. Phosphorylation is not required for tetramerization. Binds to DNA more strongly when dephosphorylated. Ubiquitinated. Ubiquitination at multiple sites by BRCA1 (via its N-terminal RING domain) does not lead to its proteasomal degradation but instead the ubiquitinated RBBP8 binds to chromatin following DNA damage and may play a role in G2/M checkpoint control. Ubiquitinated by RNF138 at its N-terminus. Ubiquitinated through 'Lys-48' by the E3 CUL3-KLHL15 complex.this modification leads to proteasomal degradation. Ubiquitinated by the E3 FZR1/APC/C complex.this modification leads to proteasomal degradation.
Function Endonuclease that cooperates with the MRE11-RAD50-NBN (MRN) complex in DNA-end resection, the first step of double-strand break (DSB) repair through the homologous recombination (HR) pathway. HR is restricted to S and G2 phases of the cell cycle and preferentially repairs DSBs resulting from replication fork collapse. Key determinant of DSB repair pathway choice, as it commits cells to HR by preventing classical non-homologous end-joining (NHEJ). Functions downstream of the MRN complex and ATM, promotes ATR activation and its recruitment to DSBs in the S/G2 phase facilitating the generation of ssDNA. Component of the BRCA1-RBBP8 complex that regulates CHEK1 activation and controls cell cycle G2/M checkpoints on DNA damage. During immunoglobulin heavy chain class-switch recombination, promotes microhomology-mediated alternative end joining (A-NHEJ) and plays an essential role in chromosomal translocations. Binds preferentially to DNA Y-junctions and to DNA substrates with blocked ends and promotes intermolecular DNA bridging.
Protein Name Dna Endonuclease Rbbp8
Ctbp-Interacting Protein
Ctip
Retinoblastoma-Binding Protein 8
Rbbp-8
Retinoblastoma-Interacting Protein And Myosin-Like
Rim
Sporulation In The Absence Of Spo11 Protein 2 Homolog
Sae2
Database Links Reactome: R-HSA-5685938
Reactome: R-HSA-5685939
Reactome: R-HSA-5685942
Reactome: R-HSA-5693554
Reactome: R-HSA-5693568
Reactome: R-HSA-5693579
Reactome: R-HSA-5693607
Reactome: R-HSA-5693616
Reactome: R-HSA-6804756
Reactome: R-HSA-69473
Reactome: R-HSA-8953750
Reactome: R-HSA-912446
Reactome: R-HSA-9701192
Reactome: R-HSA-9704331
Reactome: R-HSA-9704646
Reactome: R-HSA-9709570
Reactome: R-HSA-9709603
Cellular Localisation Nucleus
Chromosome
Associates With Sites Of Dna Damage In S/G2 Phase
Ubiquitinated Rbbp8 Binds To Chromatin Following Dna Damage
Alternative Antibody Names Anti-Dna Endonuclease Rbbp8 antibody
Anti-Ctbp-Interacting Protein antibody
Anti-Ctip antibody
Anti-Retinoblastoma-Binding Protein 8 antibody
Anti-Rbbp-8 antibody
Anti-Retinoblastoma-Interacting Protein And Myosin-Like antibody
Anti-Rim antibody
Anti-Sporulation In The Absence Of Spo11 Protein 2 Homolog antibody
Anti-Sae2 antibody
Anti-RBBP8 antibody
Anti-CTIP antibody

Information sourced from Uniprot.org

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