For order quantities > 1, multiple lots may be used to fulfill the order. If you require a single lot, please email

During checkout, this product will be reported as "Out of Stock" with an estimated availability date. Often, the actual availability date will be earlier. Send inquiries regarding actual availability date to

88 more kinases now available to order! See the complete list.
Thermo Scientific™

STK22B (TSSK2) Recombinant Human Protein

Catalog number:  PR5947A

Related applications:

Protein Assays and Analysis

Back to top


STK22B (TSSK2) is a serine⁄threonine kinase essential for the function and production of sperm (spermiogenesis). Deletions in the STK22B coding region correlate with numerous cardiovascular and glandular malformations.
For Research Use Only. Not for use in diagnostic procedures.


Accession Number: NP_443732
Kinase Group: Ser⁄Thr Kinases: Atypical
Shipping Condition: Dry Ice
Expression System: Baculovirus
Form: Frozen
Protein Form: Full Length
Research Category: Drug Development
Species: Human
Validated Application: Kinase Assay
Molecular Weight: 45.1 kDa
Gene Alias: STK22B (TSSK2)
KinaseFamily: G11 Kinase Family
Protein Tag: His Tag

Contents & storage

Storage Buffer: 50 mM Tris-HCl, pH 7.5, 150 mM NaCl, 0.5 mM EDTA, 0.02% Triton X-100, 2 mM DTT, 50% glycerol
Store at -80°C. At first use, aliquot and store at -80°C to avoid multiple freeze-thaws.