Human CellExp SPAM1, human recombinant protein
SPAM1, PH-20, HYAL3, HYA1, HYAL1, HYAL5, SPAG15
- SPECIFICATION
- CITATIONS
- PROTOCOLS
- BACKGROUND
Primary Accession | P38567 |
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Calculated MW | This protein is fused with 6×His tag at the C-terminus, has a calculated MW of 52.1 kDa. The predicted N-terminus is Leu 36. DTT-reduced Protein migrates as 64-66 kDa due to glycosylation. |
Gene ID | 6677 |
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Gene Symbol | SPAM1 |
Other Names | SPAM1, PH-20, HYAL3, HYA1, HYAL1, HYAL5, SPAG15 |
Gene Source | Human |
Source | HEK 293 cells |
Assay&Purity | SDS-PAGE; ≥92% |
Assay2&Purity2 | HPLC; |
Recombinant | Yes |
Target/Specificity | SPAM1 |
Application Notes | Centrifuge the vial prior to opening. Reconstitute in sterile PBS, pH 7.4 to a concentration of 50 µg/ml. Do not vortex. This solution can be stored at 2-8°C for up to 1 month. For extended storage, it is recommended to store at -20°C. |
Format | Lyophilized powder |
Storage | -20°C; Lyophilized from 0.22 µm filtered solution in 50 mM Tris, 100 mM NaCl, pH 7.0-7.4. Generally 5-8% Mannitol or trehalose is added as a protectant before lyophilization. |
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Provided below are standard protocols that you may find useful for product applications.
Background
Hyaluronidase PH-20 also known as Sperm adhesion molecule 1 (SPAM1) and Sperm surface protein PH-20, which belongs to the glycosyl hydrolase 56 family, SPAM1 / PH-20 is expressed in testis. SPAM-1 / PH20 random hydrolysis of (1->4)-linkages between N – acetyl – beta – D – glucosamine and D-glucuronate residues in hyaluronate. SPAM-1 / PH20 involved in sperm-egg adhesion. Upon fertilization sperm must first penetrate a layer of cumulus cells that surrounds the egg before reaching the zona pellucida. The cumulus cells are embedded in a matrix containing hyaluronic acid which is formed prior to ovulation. SPAM1 aids in penetrating the layer of cumulus cells by digesting hyaluronic acid.
References
Lin Y.,et al.Proc. Natl. Acad. Sci. U.S.A. 90:10071-10075(1993).
Gmachl M.,et al.FEBS Lett. 336:545-548(1993).
Jones M.H.,et al.Genomics 29:796-800(1995).
Hillier L.W.,et al.Nature 424:157-164(2003).
Scherer S.W.,et al.Science 300:767-772(2003).
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