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C4orf27 Polyclonal Antibody
Purified Rabbit Polyclonal Antibody (Pab)
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Application 
| IHC-P, IHC-F, IF, ICC |
|---|---|
| Primary Accession | Q9NWY4 |
| Reactivity | Rat, Dog, Bovine |
| Host | Rabbit |
| Clonality | Polyclonal |
| Calculated MW | 39436 Da |
| Gene ID | 54969 |
|---|---|
| Other Names | Histone PARylation factor 1, HPF1 {ECO:0000303|PubMed:27067600, ECO:0000312|HGNC:HGNC:26051} |
| Dilution | Elisa=1:500-1000,IHC-P=1:100-500,IHC-F=1:100-500,IF=1:100-500,ICC=1:100-500, |
| Format | 0.01M TBS(pH7.4), 0.09% (W/V) sodium azide and 50% Glyce |
| Storage | Store at -20 ℃ for one year. Avoid repeated freeze/thaw cycles. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antibody the antibody is stable for at least two weeks at 2-4 ℃. |
| Name | HPF1 {ECO:0000303|PubMed:27067600, ECO:0000312|HGNC:HGNC:26051} |
|---|---|
| Function | Cofactor for serine ADP-ribosylation that confers serine specificity on PARP1 and PARP2 and plays a key role in DNA damage response (PubMed:28190768, PubMed:29480802, PubMed:29954836, PubMed:33186521, PubMed:32028527, PubMed:32939087, PubMed:34486521, PubMed:34874266, PubMed:34210965, PubMed:34625544, PubMed:33589610, PubMed:34732825, PubMed:33683197, PubMed:34795260, PubMed:34108479). Initiates the repair of double-strand DNA breaks: recruited to DNA damage sites by PARP1 and PARP2 and switches the amino acid specificity of PARP1 and PARP2 from aspartate or glutamate to serine residues, licensing serine ADP-ribosylation of target proteins (PubMed:28190768, PubMed:29480802, PubMed:29954836, PubMed:32028527, PubMed:32939087, PubMed:34486521, PubMed:34874266, PubMed:34625544, PubMed:33589610, PubMed:34732825, PubMed:33683197, PubMed:34795260). Serine ADP- ribosylation of target proteins, such as histones, promotes decompaction of chromatin and the recruitment of repair factors leading to the reparation of DNA strand breaks (PubMed:27067600, PubMed:28190768, PubMed:32939087, PubMed:33589610). Serine ADP- ribosylation of proteins constitutes the primary form of ADP- ribosylation of proteins in response to DNA damage (PubMed:29480802). HPF1 acts by completing the active site of PARP1 and PARP2: forms a composite active site composed of residues from HPF1 and PARP1 or PARP2 (PubMed:32028527, PubMed:33589610). While HPF1 promotes the initiation of serine ADP-ribosylation, it restricts the polymerase activity of PARP1 and PARP2 in order to limit the length of poly-ADP-ribose chains (PubMed:34732825, PubMed:33683197, PubMed:34795260). HPF1 also promotes tyrosine ADP-ribosylation, probably by conferring tyrosine specificity on PARP1 (PubMed:29954836, PubMed:30257210). |
| Cellular Location | Chromosome. Nucleus Note=Localizes to DNA damage sites; chromatin localization is dependent on PARP1 and PARP2. |
Research Areas
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Application Protocols
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$ 350.00
Cat# AP59462
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