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Recombinant Human Hyaluronidase 2/HYAL2 His-tag Protein, CF

Catalog # 11012-GH | R&D Systems, Inc. a Bio-Techne Brand
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Key Product Details



Accession #




Enzyme Activity

Product Specifications


Chinese Hamster Ovary cell line, CHO-derived human Hyaluronidase 2/HYAL2 protein
Met21-Gly447, with a C-terminal 6-His tag


>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.

Endotoxin Level

<1.0 EU per 1 μg of the protein by the LAL method.

N-terminal Sequence Analysis


Predicted Molecular Mass

50 kDa


53-58 kDa, under reducing conditions.


Measured by its ability to digest Cy5-Labeled Hyaluronan (Low MW) to dp1-dp4.
The majority of Cy5-Labeled Hyaluronan (Low MW) (2 pmol) is digested by 0.25 μg of Recombinant Human HYAL-2, as measured under the described conditions.

Scientific Data Images for Recombinant Human Hyaluronidase 2/HYAL2 His-tag Protein, CF

Recombinant Human HYAL-2 His-tag Protein  (rhHYAL-2) Enzyme Activity Diagram

rhHYAL-2 recognizes repeating subunits of -GlcA-beta 1,­3-GlcNAc-beta 1,4- and hydrolyzes high molecular weight hyaluronic acid to intermediate and smaller sized products. 

Recombinant Human Hyaluronidase 2/HYAL2 SDS-PAGE

1 μg/lane of rhHYAL-2 (Catalog # 11012-GH) was resolved with SDS-PAGE under reducing (R) conditions and visualized by Silver Staining, showing a band at 55 kDa.

Fluorescent Gel Mobility Shift caused by rhHYAL-2.

Lane 1 contained substrate Cy5-labeled LMW-HA GL401. In the presence of rhHYAL-2, the Hyaluronic Acid was modified to smaller molecular weight products with increasing amounts of rhHYAL-2 from left to right and a mobility shift was observed.

Formulation, Preparation and Storage

Formulation Supplied as a 0.2 μm filtered solution in Tris and NaCl.
Shipping The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 6 months from date of receipt, -20 to -70 °C as supplied.
  • 3 months, -20 to -70 °C under sterile conditions after opening.

Background: Hyaluronidase 2/HYAL2

Human hyaluronidases (HYALs) are a group of five endo­-beta -­N­-acetyl­hexosaminidases that include HYAL1, HYAL2, HYAL3, HYAL4, and SPAM1 (PH20) (1, 2). While HYAL1, HYAL2 and SPAM1 are mainly active on hyaluronan (3, 4, 5), HYAL4 is active on both hyaluronan (6) and chondroitin sulfate (type C and D in particular) (7). Hyaluronan and chondroitin sulfate are abundant extracellular matrix components that have numerous biological functions (8). The backbone of chondroitin sulfate composed of repeating units of ­4-GlcA-beta 1,­3-GalNAc-beta 1­ most closely resembles to that of hyaluronan composed of repeating units of ­4-GlcA-beta 1,­3-GlcNAc-beta 1­. While HYAL1 is a strict lysosomal hyaluronidase and is active when pH ≤ 5.5 (9), HYAL2 is active in a narrow range of pH 5.0 to 5.5 (6) and is attached to cell membrane via GPI linker (10) where they may serve to hydrolyze high molecular weight hyaluronic acid of extracellular matrix to intermediate and small sized products.


  1. Csoka, A.B. et al. (2001) Matrix Biol. 20:499.
  2. Jedrzejas, M. J. and Stern, R. (2005) Proteins 61:227.
  3. Csoka, A.B. et al. (1999) Genomics 60:351.
  4. Lin, Y. et al. (1994) J. Cell Biol.125:1157.
  5. Lepperdinger, G. et al. (2001) Matrix Biol. 20:509.
  6. Wu, Z.L. and Ertelt, J.M. (2021) Glycobiology, cwab061,
  7. Kaneiwa, T. et al. (2010) Glycobiology 20:300.
  8. Iozzo, R.V. (1998) Annu. Rev. Biochem. 67:609.
  9. Hofinger, E.S.A. et al. (2007) Glycobiology 17:444.
  10. Rai, S.K. et al. (2001). Proc. Natl. Acad. Sci. U.S.A, 98:4443.

Long Name


Alternate Names


Entrez Gene IDs

8692 (Human)

Gene Symbol



Additional Hyaluronidase 2/HYAL2 Products

Product Documents for Recombinant Human Hyaluronidase 2/HYAL2 His-tag Protein, CF

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

Product Specific Notices for Recombinant Human Hyaluronidase 2/HYAL2 His-tag Protein, CF

For research use only

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