Human USAG1 Antibody

Catalog # Availability Size / Price Qty

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Detection of Human USAG1 by Western Blot.
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Product Details
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Human USAG1 Antibody Summary

Species Reactivity
Detects human USAG1 in direct ELISAs and Western blots.
Polyclonal Sheep IgG
Antigen Affinity-purified
E. coli-derived recombinant human USAG1
Accession # Q6X4U4
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
1 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.

Data Example

Western Blot Detection of Human USAG1 by Western Blot. View Larger

Detection of Human USAG1 by Western Blot. Western blot shows lysates of human kidney (medulla) tissue. PVDF membrane was probed with 1 µg/mL of Sheep Anti-Human USAG1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF7034) followed by HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). A specific band was detected for USAG1 at approximately 32 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: USAG1

USAG1 (also Ectodin and WISE; Wnt modulator in surface ectoderm) is a secreted, monomeric 26-32 kDa member of the sclerostin family of proteins. It exhibits restricted expression, being found in renal distal tubule cells (including macula densa), ameloblasts of teeth (for enamel formation), and cells of the dermal papilla. USAG1 binds BMP-2,-4,-6,and -7 with high affinity. This sequesters BMPs, making them unavailable for BMP receptor binding. It also binds LRP6, which, while weakly activating the LRP6 pathway, simultaneously blocks Wnt binding with strong Wnt-mediated signaling. Mature human USAG1 is 183 amino acids (aa) in length. It contains one CTCK domain (aa 75-170) plus two N-linked glycosylation sites. Mature human USAG1 (aa 24-206) shares 97% aa identity with mature mouse USAG1.

Long Name
Sclerostin Domain Containing Protein 1/Uterine Sensitization-associated Gene 1 Protein
Entrez Gene IDs
25928 (Human); 66042 (Mouse); 266803 (Rat)
Alternate Names
CDA019; cystine-knot containing secreted protein; DKFZp564D206; Ectodermal BMP inhibitor; Ectodin; sclerostin domain containing 1; sclerostin domain-containing protein 1; SOSTDC1; USAG1; USAG-1; USAG1uterine sensitization-associated protein-1; Uterine sensitization-associated gene 1 protein; WISE

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