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TopBP1 (DNA Topoisomerase 2 Binding Protein 1, DNA Topoisomerase II Binding Protein, DNA Topoisomerase II Binding Protein 1, DNA Topoisomerase IIbeta Binding Protein 1, Hypothetical Protein KIAA0259 [Fragment], KIAA0259, Topoisomerase (DNA) II Binding Pro

Cat no: T8064-59

TopBP1 (DNA Topoisomerase 2 Binding Protein 1, DNA Topoisomerase II Binding Protein, DNA Topoisomerase II Binding Protein 1, DNA Topoisomerase IIbeta Binding Protein 1, Hypothetical Protein KIAA0259 [Fragment], KIAA0259, Topoisomerase (DNA) II Binding Pro

TOP2B (DNA Topoisomerase II b) is a 180-185kD member of the type IIA subfamily, topoisomerase family of molecules. It is ubiquitously expressed, and represents the larger of two known topoisomerases (the 2A/a-form being 170kD in size). TOP2A is essential for cell division, while TOP2B is active postmitotically. In an ATP-dependent manner, homodimeric TOP2B relieves torsional stress created in DNA during transcription, or as a consequence of replication. TOP2B first induces cleavage of double-stranded DNA, creating a space that allows for the physical repositioning of chromatin and a reduction in tension. This is followed by closure and ligation of the cleaved ends to recreate the original DNA structure. Human TOP2B is 1626aa in length. It contains an ATPase domain (aa101-201), an NES (aa1034-1044), more that 30 Ser/Thr phosphorylation sites and a C-terminal DTHCT region (aa1508-1611). There is one splice variant that shows a deletion of (aa24-28). Over (aa1187-1621), human TOP2B shares 91% aa identity with mouse TOP2B.\n\nApplications: \nSuitable for use in Western Blot. Other applications not tested.\n\nRecommended Dilution:\nWestern Blot: 0.2ug/ml\nOptimal dilutions to be determined by the researcher.\n\nStorage and Stability:\nLyophilized powder may be stored at -20 degrees C. Stable for 12 months at -20 degrees C. Reconstitute with sterile PBS. Aliquot to avoid repeated freezing and thawing. Store at -20 degrees C. Reconstituted product is stable for 12 months at -20 degrees C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.

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SPECIFICATIONS

Catalog Number

T8064-59

Size

100ug

Applications

WB

Hosts

Sheep

Reactivities

Hum

Form

Supplied as a lyophilized powder in PBS with 5% trehalose. Reconstitute with sterile PBS.

P Type

Pab

Purity

Purified by immunoaffinity chromatography.

Isotype

IgG

Additional Info

Recognizes human TOP2B.

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