Human PIKFyve Antibody

Catalog # Availability Size / Price Qty
Detection of Human PIKFyve by Western Blot.
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Product Details
Citations (1)
Supplemental Products

Human PIKFyve Antibody Summary

Species Reactivity
Detects human PIKFyve in direct ELISAs and Western blots.
Polyclonal Sheep IgG
Antigen Affinity-purified
E. coli-derived recombinant human PIKFyve
Accession # Q9Y2I7
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.


Recommended Concentration
Western Blot
0.25 µg/mL
See below

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Scientific Data

Western Blot Detection of Human PIKFyve antibody by Western Blot. View Larger

Detection of Human PIKFyve by Western Blot. Western blot shows lysates of Jurkat human acute T cell leukemia cell line and K562 human chronic myelogenous leukemia cell line. PVDF membrane was probed with 0.25 µg/mL of Sheep Anti-Human PIKFyve Antigen Affinity-purified Polyclonal Antibody (Catalog # AF7885) followed by HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). A specific band was detected for PIKFyve at approximately 240 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.

Reconstitution Calculator

Reconstitution Calculator

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Preparation and Storage

Sterile PBS to a final concentration of 0.2 mg/mL.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Size / Price
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: PIKFyve

PIKfyve (PhosphoInositide Kinase for five position containing a fyve finger (FAB1/YOTB/Vac1/EEA1) domain; also phosphatidylinositol 3-phosphate 5-kinase type III and Type III PIP kinase) is a 230-260 kDa cytoplasmic and endocytic member of an ancient family of phosphatidylinositol-3,5 biphosphate (PI[3,5]P2 synthesizing enzymes. It is associated with endosomes, particularly the microdomains of early endosomes that are EEA1-deficient. PIKfyve binds to membrane-embedded phosphatidylinositol and initially converts PI3P into PI(3,5)P2, which is then converted into PI5P. In conjunction with ArPIKfyve and Sac3, its actions are involved in the normal transport, fusion, and membrane export of endosomes. Notably, PIKfyve also appears to act as a protein kinase, apparently controlling its own activity through autophosphorylation. Human PIKfyve is 2098 amino acids (aa) in length. It contains one FYVE PI3P-binding zinc-finger domain (aa 154-219), a DEP domain (aa 365-440) and a C-terminal PIP kinase rehion (aa 1172-2085). There are no less than 29 utilized Ser/Thr phosphorylation sites, plus two utilized Tyr phosphorylation sites. Three potential isoform variants are reported, all which possess a three aa substitution for aa 546-2098. Two of these three also demonstrate a deletion of aa 108-204, and a nine aa substitution for aa 109-203, respectively. Over aa 215-361, human and mouse share 95% aa sequence identity.

Long Name
Phosphoinositide Kinase, FYVE Finger-containing
Entrez Gene IDs
200576 (Human); 18711 (Mouse); 316457 (Rat)
Alternate Names
1-phosphatidylinositol-3-phosphate 5-kinase; EC; FAB1; FLJ37746; FYVE finger-containing phosphoinositide kinase; KIAA0981CFD; MGC40423; p235; Phosphatidylinositol-3-phosphate 5-kinase type III; Phosphatidylinositol-3-phosphate 5-kinase; phosphoinositide kinase, FYVE finger containing; PIKFyve; PIP5K; PIP5K3; PIP5K3FAB1; PIPkin-III; Type III PIP kinase; type III

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Citation for Human PIKFyve Antibody

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

1 Citation: Showing 1 - 1

  1. Trehalose limits opportunistic mycobacterial survival during HIV co-infection by reversing HIV-mediated autophagy block
    Authors: V Sharma, M Makhdoomi, L Singh, P Kumar, N Khan, S Singh, HN Verma, K Luthra, S Sarkar, D Kumar
    Autophagy, 2020;0(0):1-20.
    Species: Human
    Sample Types:


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