Human TSH alpha/beta Heterodimer Protein, His Tag

Synonyms

TSH alpha, beta Heterodimer, TSH, Thyrotropin

Source

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

Predicted N-terminus: Phe 21

Molecular Characterization

Other Tags and Version Biotin & Other Labeled Version

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.

Storage

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:

1. -20°C to -70°C for 12 months in lyophilized state;
2. -70°C for 3 months under sterile conditions after reconstitution.

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2. Quality Advantages
3. Quality Control Process