Recombinant Human Tubulin polymerization-promoting protein(TPPP)

Code CSB-EP024115HU
Size US$1726
  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

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Product Details

Purity Greater than 90% as determined by SDS-PAGE.
Target Names TPPP
Uniprot No. O94811
Research Area Signal Transduction
Alternative Names 25 kDa brain specific protein ; 25 kDa brain-specific protein; Brain specific protein p25 alpha; Glycogen synthase kinase 3 (GSK3) inhibitor p24; OTTHUMP00000161630; p24; p25; p25-alpha; p25alpha ; TPPP; TPPP/p25; TPPP_HUMAN; TPPP1; Tubulin polymerization promoting protein; Tubulin polymerization-promoting protein
Species Homo sapiens (Human)
Source E.coli
Expression Region 1-219aa
Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.
Mol. Weight 50.7kDa
Protein Length Full Length
Tag Info N-terminal GST-tagged
Form Liquid or Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
Buffer If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol.
Note: If you have any special requirement for the glycerol content, please remark when you place the order.
If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
Reconstitution We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. Our default final concentration of glycerol is 50%. Customers could use it as reference.
and FAQs
Protein FAQs
Storage Condition Store at -20°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Notes Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet & COA Please contact us to get it.

Target Data

Function May play a role in the polymerization of tubulin into microtubules, microtubule bundling and the stabilization of existing microtubules, thus maintaining the integrity of the microtubule network. May play a role in mitotic spindle assembly and nuclear envelope breakdown.
Gene References into Functions
  1. TPPP/p25 is co-enriched and co-localized with alpha-synuclein in brain inclusions of Parkinson's disease patients. Interaction of alpha-synuclein with various deletion mutants and fragments of TPPP/p25 were characterized. PMID: 27671864
  2. The objective of this paper is to highlight a critical point of a recently published Skoufias's paper in which the crucial role of the microtubules in TPPP/p25 dimerization leading to microtubule bundling was suggested. PMID: 28074911
  3. This study demonstrated that the AAV9-mediated p25 overexpression mouse model, which is a practical model exhibiting neurodegeneration-like pathological and behavioral changes. PMID: 27258419
  4. The knowledge accumulated so far underlines the key roles of the multifunctional TPPP/p25 in both physiological and diverse pathological processes, consequently its validation as drug target sorely needs a new innovative strategy that is briefly reviewed here. PMID: 28271739
  5. TPPP may have a role in poor prognosis in hepatocellular carcinoma PMID: 27630306
  6. the central folded domain of TPPP/p25 following binding to microtubules can drive s homotypic protein-protein interactions leading to bundled microtubules. PMID: 26289831
  7. Results reveal a link between p25 and BACE1 in Alzheimer disease (AD) brains and suggest that upregulated Cdk5 activation by p25 accelerates AD pathogenesis by enhancing BACE1 activity via phosphorylation. PMID: 26317805
  8. Epigenetic changes in TPPP, in combination with experiences of maltreatment, may confer risk for depression in children. PMID: 24655651
  9. suggest that the zinc as a specific divalent cation could be involved in the fine-tuning of the physiological TPPP/p25 level counteracting both the enrichment and the lack of this protein leading to distinct central nervous system diseases PMID: 25445539
  10. GSK3 promotes the mitochondrial translocation of p53, enabling its interaction with Bcl2 to allow Bax oligomerization and the subsequent release of cytochrome C. PMID: 23161404
  11. dual Rock and Cdk phosphorylation of Tppp1 inhibits its regulation of the cell cycle to increase cell proliferation PMID: 23355470
  12. The RhoA-ROCK-LIMK2-TPPP pathway controls metaphase spindle-orientation; TPPP colocalizes with LIMK2 at the mitotic spindle. PMID: 22328514
  13. Although serine-129 phosphorylation of alpha-synuclein facilitates TPPP-mediated alpha-SYN oligomerization, this modification does not seem to play an inevitable role in the early step of alpha-SYN oligomer formation in a cellular model of multiple system atrophy. PMID: 20849899
  14. The authors conclude that the modest structural changes that p25alpha undergoes can promote weak intermolecular contacts and that polyanions such as heparin play a central role in stabilizing these aggregates. PMID: 22326478
  15. Wnt induces the phosphorylation of LRP6 which consequently access the catalytic pocket of GSK3 as pseudo-substrates, thus directly blocking its activity against beta-catenin. PMID: 22083140
  16. GSK3 has a significant role in maintaining repression of growth factor-inducible genes during quiescence. CREB, NFkB and AP-1 mediate this regulation of gene expression by GSK-3. PMID: 21900749
  17. Data show that TPPP may work as a protective factor for cells against the damage effects of the accumulation of abnormal forms of PrPs, besides its function as an agent for dynamic stabilization of microtubular ultrastructures. PMID: 21857997
  18. Binding of Zn(2) bivalent cation to structurally disordered TPPP/p25 influences TPPP/p25-promoted tubulin polymerization and GTPase activity. PMID: 21995432
  19. Interactions of pathological hallmark proteins: tubulin polymerization promoting protein/p25, beta-amyloid, and alpha-synuclein. PMID: 21832049
  20. This study demonistrated that p25 is generated during spatial memory formation. PMID: 21616478
  21. these investigations suggest the CSF-TPPP/p25 level could become diagnostic marker of MS and other demyelination-related diseases. PMID: 21565174
  22. The RING domain of XIAP (and probably cIAP-1 and cIAP-2) associates with GSK3, GSK3 acts upstream of the apoptosome to promote intrinsic apoptosis, and the association between XIAP and GSK3 may block the pro-apoptotic function of GSK3. PMID: 19698783
  23. TPPP/p25 has a role in stabilization of physiological microtubular ultrastructures and cell survival PMID: 15564385
  24. perhaps p25alpha plays a pro-aggregatory role in the common neurodegenerative disorders hall-marked by alpha-synuclein aggregates PMID: 15590652
  25. Recombinant TPPP plays an important role for tubulin-related transport in developing, myelinating oligodendrocytes. PMID: 16879710
  26. identified glyceraldehyde-3-phosphate dehydrogenase (GAPDH) as a new interacting partner of TPPP/p25 within the alpha-synuclein positive Lewy body PMID: 17027006
  27. ERK2 can regulate TPPP activity via the phosphorylation of Thr(14) and/or Ser(18) in its unfolded N-terminal tail PMID: 17693641
  28. Myelin basic protein and p25alpha colocalize in myelin in normal human brains. PMID: 17823288
  29. data suggest that gain of 5p15.33 (TPPP and ZDHHC11) may become a potential biomarker identifying high-risk patients with disease progression in bladder cancer. PMID: 18025801
  30. LIMK1 phosphorylation of p25 blocks p25 activity, thus promoting microtubule disassembly. PMID: 18028908
  31. we review evidence pertaining to the role of GSK3 in the myocardium and discuss effects of genetic manipulation of GSK3 activity in vivo--REVIEW PMID: 18204489
  32. GSK-3 is involved in the regulation of, and cross-talk between, two major forms of synaptic plasticity, N-methyl-D-aspartate receptor dependent long-term potentiation and NMDAR-dependent long-term depression--REVIEW PMID: 18311157
  33. contribution of GSK3 in growth regulation of myeloma cells PMID: 18728964
  34. Data suggest that the intracellular level of TPPP/p25 influences the cell differentiation, proliferation and the formation of protein aggregates, and consequently, the etiology of central nervous system diseases. PMID: 19382230

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Subcellular Location Cytoplasm, Cytoplasm, cytoskeleton, Nucleus
Protein Families TPPP family
Tissue Specificity Widely expressed.
Database Links

HGNC: 24164

OMIM: 608773

KEGG: hsa:11076

STRING: 9606.ENSP00000353785

UniGene: Hs.481466

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