Human PIWIL4 Antibody

Catalog # Availability Size / Price Qty
PIWIL4 in BG01V Human Stem Cells.
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Product Details
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Human PIWIL4 Antibody Summary

Species Reactivity
Detects human PIWIL4 in direct ELISAs. In this format, no cross-reactivity with recombinant human (rh) PIWIL2 is observed.
Monoclonal Mouse IgG2A Clone # 626001
Protein A or G purified from hybridoma culture supernatant
E. coli-derived recombinant human PIWIL4
Accession # Q7Z3Z4
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.

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Recommended Concentration
8-25 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

Immunocytochemistry PIWIL4 antibody in BG01V Human Stem Cells by Immunocytochemistry (ICC). View Larger

PIWIL4 in BG01V Human Stem Cells. PIWIL4 was detected in immersion fixed BG01V human embryonic stem cells using Human PIWIL4 Monoclonal Antibody (Catalog # MAB6316) at 10 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Mouse IgG Secondary Antibody (yellow; Catalog # NL007) and counterstained with DAPI (blue). Specific staining was localized to cytoplasm. View our protocol for Fluorescent ICC Staining of Cells on Coverslips.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.


Preparation and Storage

Sterile PBS to a final concentration of 0.5 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: PIWIL4

PIWI-like protein 4 (PIWIL4) is a 97 kDa member of the argonaute family of proteins and the PIWI subfamily. Human PIWIL4 is 852 amino acids (aa) in length and contains one PAZ domain (aa 268-384) and one PIWI domain (aa 546-838). There are three isoforms for human PIWIL4. Isoform 1 is the standard protein. Isoform 2 has a two aa substitution for aa 1-29 in isoform 1 and a deletion of aa 523-852. Isoform 3 has a deletion of aa 1-69 and a deletion of aa 523-852. Human PIWIL4 shares 77% aa sequence identity with mouse and rat PIWIL4. PIWIL4 plays a central role in spermatogenesis.

Entrez Gene IDs
143689 (Human)
Alternate Names
DKFZp686P01248; FLJ36156; HIWI2; HIWI2MIWI2; MIWI2; PIWI; PIWIL4; piwi-like 4 (Drosophila); piwi-like protein 4

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Isotype Controls

Mouse IgG2A Isotype Control

Reconstitution Buffers

Secondary Antibodies

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