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AB105906

Recombinant human Cdc25B protein

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Recombinant human Cdc25B protein is a Human Full Length protein, in the 1 to 580 aa range, expressed in Baculovirus infected Sf9 cells, with >70%, suitable for WB, FuncS.

View Alternative Names

CDC25HU2, CDC25B, M-phase inducer phosphatase 2, Dual specificity phosphatase Cdc25B

3 Images
Functional Studies - Recombinant human Cdc25B protein (AB105906)
  • FuncS

Unknown

Functional Studies - Recombinant human Cdc25B protein (AB105906)

The Specific activity of ab105906 was determined to be 21 nmol/min/mg.

Western blot - Recombinant human Cdc25B protein (AB105906)
  • WB

Unknown

Western blot - Recombinant human Cdc25B protein (AB105906)

All lanes:

Anti-Cdc25B antibody (<a href='/en-us/products/unavailable/cdc25b-antibody-ab70927'>ab70927</a>) at 1/100 dilution

All lanes:

Western blot - Recombinant human Cdc25B protein (ab105906) at 0.01 µg

Secondary

All lanes:

Western blot - Goat Anti-Rabbit IgG H&L (HRP) preadsorbed (<a href='/en-us/products/secondary-antibodies/goat-rabbit-igg-h-l-hrp-preadsorbed-ab97080'>ab97080</a>) at 1/5000 dilution

true

Exposure time: 10s

SDS-PAGE - Recombinant human Cdc25B protein (AB105906)
  • SDS-PAGE

Unknown

SDS-PAGE - Recombinant human Cdc25B protein (AB105906)

SDS-PAGE showing ab105906 at approximately 110kDa.

Key facts

Purity

>70% Densitometry

Expression system

Baculovirus infected Sf9 cells

Tags

Tag free

Applications

WB, FuncS

applications

Biologically active

Yes

Biological activity

The Specific activity of ab105906 was determined to be 21 nmol/min/mg.

Accession

P30305

Animal free

No

Carrier free

No

Species

Human

Storage buffer

pH: 7.5 Constituents: 25% Glycerol (glycerin, glycerine), 0.87% Sodium chloride, 0.79% Tris HCl, 0.307% Glutathione, 0.00385% (R*,R*)-1,4-Dimercaptobutan-2,3-diol, 0.00292% EDTA, 0.00174% PMSF

storage-buffer

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Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Reactivity", "Dilution Info", "Notes"] }, "values": { "WB": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p>ab105906 can be used as a WB positive control in conjunction with <a href='/en-us/products/unavailable/cdc25b-antibody-ab70927'>ab70927</a>.</p>" }, "FuncS": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" } } }
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Sequence info

[{"sequence":"MEVPQPEPAPGSALSPAGVCGGAQRPGHLPGLLLGSHGLLGSPVRAAASSPVTTLTQTMHDLAGLGSETPKSQVGTLLFRSRSRLTHLSLSRRASESSLSSESSESSDAGLCMDSPSPMDPHMAEQTFEQAIQAASRIIRNEQFAIRRFQSMPVRLLGHSPVLRNITNSQAPDGRRKSEAGSGAASSSGEDKENDGFVFKMPWKPTHPSSTHALAEWASRREAFAQRPSSAPDLMCLSPDRKMEVEELSPLALGRFSLTPAEGDTEEDDGFVDILESDLKDDDAVPPGMESLISAPLVKTLEKEEEKDLVMYSKCQRLFRSPSMPCSVIRPILKRLERPQDRDTPVQNKRRRSVTPPEEQQEAEEPKARVLRSKSLCHDEIENLLDSDHRELIGDYSKAFLLQTVDGKHQDLKYISPETMVALLTGKFSNIVDKFVIVDCRYPYEYEGGHIKTAVNLPLERDAESFLLKSPIAPCSLDKRVILIFHCEFSSERGPRMCRFIRERDRAVNDYPSLYYPEMYILKGGYKEFFPQHPNFCEPQDYRPMNHEAFKDELKTFRLKTRSWAGERSRRELCSRLQDQ","proteinLength":"Full Length","predictedMolecularWeight":"110 kDa","actualMolecularWeight":null,"aminoAcidEnd":580,"aminoAcidStart":1,"nature":"Recombinant","expressionSystem":"Baculovirus infected Sf9 cells","accessionNumber":"P30305","tags":[]}]
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Properties and storage information

Shipped at conditions
Dry Ice
Appropriate short-term storage conditions
-80°C
Appropriate long-term storage conditions
-80°C
Aliquoting information
Upon delivery aliquot
Storage information
Avoid freeze / thaw cycle
True
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Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

The Cdc25B phosphatase also known as M-phase inducer phosphatase 2 or CDC25B2 plays an important role in cell cycle regulation by activating cyclin-dependent kinases (CDKs). It weighs approximately 62 kDa. Researchers observe its expression in normal and cancerous tissues with higher levels found in proliferating cells. Cdc25B localizes to the nucleus during the cell cycle where it exerts control over cell division by removing inhibitory phosphates on CDKs.
Biological function summary

This protein accelerates the transition through various phases of the cell cycle. It does not function alone but forms part of a complex regulatory network ensuring timely CDK activation. By promoting the G1/S and G2/M transitions Cdc25B enables cells to progress through the cell cycle. Additionally Cdc25B is involved in DNA damage checkpoints helping cells respond to genotoxic stress thereby ensuring genomic stability through complex regulatory interactions.

Pathways

Several key cell cycle pathways include Cdc25B. It acts prominently in the cell cycle checkpoint control pathway and the DNA damage response pathway. The protein directly activates CDC2/CDK1 through dephosphorylation contributing to cell cycle progression. Cdc25B interacts with regulatory proteins like ATM/ATR which modulate Cdc25B activity in response to DNA damage further integrating it into critical checkpoint pathways.

Researchers link Cdc25B to cancer and neurological disorders. Overexpression of Cdc25B often associates with various cancers where it may contribute to unchecked cell proliferation through its influence on CDK activity. In this context it connects with oncogenic proteins like Cyclin B1 providing potential targets for therapeutic intervention. Additionally malfunction in Cdc25B activity associates with neurodegenerative diseases due to its role in cell cycle regulation and DNA repair mechanisms. Scientists are exploring its relationship with proteins such as p53 in these diseases offering insights into potential treatment strategies.
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Specifications

Form

Liquid

Additional notes

Purity was determined to be >70% by densitometry. Affinity purified.

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General info

Function

Tyrosine protein phosphatase which functions as a dosage-dependent inducer of mitotic progression (PubMed : 1836978, PubMed : 20360007). Directly dephosphorylates CDK1 and stimulates its kinase activity (PubMed : 20360007). Required for G2/M phases of the cell cycle progression and abscission during cytokinesis in a ECT2-dependent manner (PubMed : 17332740). The three isoforms seem to have a different level of activity (PubMed : 1836978).

Sequence similarities

Belongs to the MPI phosphatase family.

Post-translational modifications

Phosphorylated by BRSK1 in vitro. Phosphorylated by CHEK1, which inhibits the activity of this protein. Phosphorylation at Ser-353 by AURKA might locally participate in the control of the onset of mitosis. Phosphorylation by MELK at Ser-169 promotes localization to the centrosome and the spindle poles during mitosis. Phosphorylation at Ser-323 and Ser-375 by MAPK14 is required for binding to 14-3-3 proteins.

Subcellular localisation

Cytoskeleton

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Product protocols

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Target data

Tyrosine protein phosphatase which functions as a dosage-dependent inducer of mitotic progression (PubMed : 1836978, PubMed : 20360007). Directly dephosphorylates CDK1 and stimulates its kinase activity (PubMed : 20360007). Required for G2/M phases of the cell cycle progression and abscission during cytokinesis in a ECT2-dependent manner (PubMed : 17332740). The three isoforms seem to have a different level of activity (PubMed : 1836978).
See full target information CDC25B
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