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Immunohistochemical analysis of CTDSP1/NIF3 in paraffin-embedded human tonsil following steamed antigen retrieval with a citrate buffer, pH 6, using a CTDSP1/NIF3 polyclonal antibody (Product# PA5-37961) at a dilution of 5ug/ml. Detection was performed using an AP-conjugated secondary antibody.
|Tested species reactivity||Human, Mouse|
|Host / Isotype||Goat / IgG|
|Immunogen||Peptide with sequence EAKAQDSDKIC, from the internal region of CTDSP1|
|Purification||Antigen affinity chromatography|
|Storage buffer||TBS, pH 7.3, with 0.5% BSA|
|Contains||0.02% sodium azide|
|Tested Applications||Dilution *|
|Immunohistochemistry (Paraffin) (IHC (P))||5-10 µg/ml|
|Western Blot (WB)||0.1-0.3 µg/ml|
* Suggested working dilutions are given as a guide only. It is recommended that the user titrate the product for use in their own experiment using appropriate negative and positive controls.
This antibody is predicted to react with rat, dog and cow based on sequence homology.
CTDSP1 is a class 2C phosphatase with activity dependent on the conserved DxD motif. Expression of CTDSP1 inhibited activated transcription from several promoter-reporter gene constructs, but expression of a mutant lacking phosphatase activity enhanced transcription. Neuronal gene transcription is repressed in nonneuronal cells by the repressor element-1 (RE1)-silencing transcription factor/neuron-restrictive silencer factor (REST/NRSF) complex. REST/NRSF recruits SCPs to neuronal genes that contain RE1 elements, leading to neuronal gene silencing in nonneuronal cells. Phosphatase-inactive forms of SCP interfere with REST/NRSF function and promote neuronal differentiation of P19 stem cells. Likewise, small interfering RNA directed to the single Drosophila SCP unmasks neuronal gene expression in S2 cells. Thus, SCP activity is an evolutionarily conserved transcriptional regulator that acts globally to silence neuronal genes.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
Carboxy-terminal domain RNA polymerase II polypeptide A small phosphatase 1; CTD; CTD (carboxy-terminal domain, RNA polymerase II, polypeptide A) small phosphatase 1; GIP; Golli-interacting protein; NLI-IF; NLI-interacting factor 3; NLIIF; nuclear LIM interactor-interacting factor; Nuclear LIM interactor-interacting factor 3; SCP1; Small C-terminal domain phosphatase 1; small CTD phosphatase 1; Synaptonemal Complex Protein 1
CTDSP1; GIP; NIF3; NLI-IF; NLIIF; SCP1