Recombinant Human Chromosome-associated kinesin KIF4A (KIF4A), partial

Code CSB-YP012338HU
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Source Yeast
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Code CSB-EP012338HU
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Source E.coli
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Code CSB-EP012338HU-B
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Source E.coli
Conjugate Avi-tag Biotinylated
E. coli biotin ligase (BirA) is highly specific in covalently attaching biotin to the 15 amino acid AviTag peptide. This recombinant protein was biotinylated in vivo by AviTag-BirA technology, which method is BriA catalyzes amide linkage between the biotin and the specific lysine of the AviTag.
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Code CSB-BP012338HU
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Source Baculovirus
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Code CSB-MP012338HU
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Source Mammalian cell
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Product Details

>85% (SDS-PAGE)
Target Names
Uniprot No.
Alternative Names
Chromokinesin; Chromokinesin-A; Chromosome associated kinesin KIF4A; Chromosome-associated kinesin KIF4A; FLJ12530; FLJ12655; FLJ14204; FLJ20631; HSA271784; KIF4; KIF4 G1; KIF4A; KIF4A_HUMAN; KIF4G1; Kinesin family member 4A
Homo sapiens (Human)
Protein Length
Tag Info
The following tags are available.
N-terminal His-tagged
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
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 before Lyophilization
Tris/PBS-based buffer, 6% Trehalose, pH 8.0
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℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting and FAQs
Storage Condition
Store at -20°C/-80°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.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Please contact us to get it.

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Target Background

Iron-sulfur (Fe-S) cluster binding motor protein that has a role in chromosome segregation during mitosis. Translocates PRC1 to the plus ends of interdigitating spindle microtubules during the metaphase to anaphase transition, an essential step for the formation of an organized central spindle midzone and midbody and for successful cytokinesis. May play a role in mitotic chromosomal positioning and bipolar spindle stabilization.
Gene References into Functions
  1. High KIF4A expression is associated with lung cancer. PMID: 28160558
  2. decrease in Aurora B results in diminished binding of the chromokinesin Kif4A to chromosome arms. PMID: 28821562
  3. Neither KIF4A nor condensin I alone can sufficiently accumulate on the chromosomal axis and confer physiological properties to chromosomes, thus establishing that the functions of KIF4A and condensin I are inseparable PMID: 27633014
  4. Chromokinesin represents a kinesin superfamily regulating cell division through chromosome and spindle. (Review) PMID: 27196062
  5. Hepatitis B virus activates the KIF4A gene promoter and upregulates the mRNA and protein expression of KIF4A. PMID: 25998931
  6. KIF4A and PP2A-B56G and -B56E create a spatially restricted negative feedback loop counteracting Aurora B in anaphase. PMID: 25512391
  7. KIF4A might be a key regulator for tumoral progression in OSCCs. PMID: 24386490
  8. Genetic association of KIF4A and KIF5C mutations in intellectual disability and synaptic function. PMID: 24812067
  9. The KIF4A phosphorylation by Aurora B stimulates the maximal microtubule-dependent ATPase activity of KIF4A and promotes its interaction with PRC1. PMID: 23940115
  10. Studies reveal how interactions between the conserved nonmotor MAP, PRC1, and the motor protein, kinesin-4, generate filament length-dependent tags at microtubule plus ends. PRC1 tags ends of microtubules in dividing cells and the size of these tags increases linearly with filament length. PMID: 23870126
  11. KIF4 regulates midzone length during cytokinesis. PMID: 21565503
  12. Loss of KIF4 expression is associated with gastric carcinoma. PMID: 20711700
  13. Results demonstrating association of KIF4 with BRAF35 through the interaction of their respective alpha-helical coiled-coil domains is unique so far in mammals. PMID: 12809554
  14. These results suggest that KIF4 is involved in cytokinesis, although direct evidence was not provided in this study. PMID: 15031677
  15. KIF4 and its binding partner protein regulator of cytokinesis 1 play essential roles in the organization of central spindles and midzone formation PMID: 15297875
  16. Human KIF4A is an essential chromosome-associated molecular motor involved in faithful chromosome segregation. HKIF4A localizes in the nucleoplasm during interphase and on condensed chromosome arms during mitosis. PMID: 15326200
  17. role of PRC1 in midzone formation, indicate that cell cycle-dependent translocation of PRC1 by Kif4 is essential for midzone formation and cytokinesis. PMID: 15625105
  18. Zip1 and CR motifs are important for Kif4A chromatin-binding and its mitotic function. PMID: 18502200
  19. results suggest a novel role for a chromokinesin family member Kif4 in the DNA damage response by modulating the BRCA2/Rad51 pathway PMID: 18604178
  20. These studies identify a novel transit station through which Gag traffics en route to particle assembly and highlight the importance of KIF4 in regulating HIV-1 Gag trafficking and stability. PMID: 18684836

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Subcellular Location
Nucleus matrix. Cytoplasm. Cytoplasm, cytoskeleton, spindle. Midbody. Chromosome.
Protein Families
TRAFAC class myosin-kinesin ATPase superfamily, Kinesin family, Chromokinesin subfamily
Tissue Specificity
Highly expressed in hematopoietic tissues, fetal liver, spleen, thymus and adult thymus and bone marrow. Lower levels are found in heart, testis, kidney, colon and lung.
Database Links

HGNC: 13339

OMIM: 300521

KEGG: hsa:24137

STRING: 9606.ENSP00000363524

UniGene: Hs.648326

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