Human TSH alpha & beta Heterodimer Protein, His Tag

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TSR-H52W8-100ug
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TSR-H52W8-1mg (500ug X 2)
$3,295.00
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Synonyms

TSH alpha & TSH beta

Source

Human TSH alpha & beta Heterodimer Protein, His Tag (TSR-H52W8) is expressed from human 293 cells (HEK293). It contains AA Ala 25 - Ser 116 (TSH alpha) & Phe 21 - Val 138 (TSH beta) (Accession # P01215-1 (TSH alpha) & P01222-1 (TSH beta)).

Predicted N-terminus: Phe 21

Molecular Characterization

This protein carries a polyhistidine tag at the C-terminus. The protein has a calculated MW of 28.4 kDa. The protein migrates as 43-48 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.

Endotoxin

Less than 1.0 EU per μg by the LAL method / rFC method.

Purity

>90% as determined by SDS-PAGE.

Formulation

Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.

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Reconstitution

Please see Certificate of Analysis for specific instructions.

For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.

Shipping and Storage

This product is shipped at ambient temperature.

For long term storage, the product should be stored at lyophilized state at -20°C or lower.

Please avoid repeated freeze-thaw cycles.

This product is stable after storage at:
  • -20°C to -70°C for 12 months in lyophilized state;
  • -70°C for 3 months under sterile conditions after reconstitution.

Background

Thyroid-stimulating hormone (also known as thyrotropin, thyrotropic hormone, or abbreviated TSH) is a pituitary hormone that stimulates. It is a glycoprotein hormone produced by thyrotrope cells in the anterior pituitary gland, which regulates the endocrine function of the thyroid. Thyroid stimulating hormone consists of two subunits called alpha and beta. The alpha and beta subunits are bound together to produce the active form of the hormone. The α subunit is thought to be the effector region responsible for stimulation of adenylate cyclase (involved the generation of cAMP).The β (beta) subunit (TSHB) is unique to TSH, and therefore determines its receptor specificity.