Recombinant Rat Prolactin Receptor

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Pricing & Details

Product. No.P250
Alternate Names
Prolactin Receptor, RATPRLR, MGC105486
Expression Host
NS0 cells
Prod No.
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P250-50 µg
50 µg
In stock
Min: 1
Step: 1


Prolactin Receptor (PRLR) is a cytokine receptor superfamily member that lacks an intrinsic kinase domain and relies on the cytoplasmic Jak tyrosine kinases to transduce signals (1). Prolactin receptors have been localized in a number of peripheral tissues, including tissues involved in reproduction (2). Within the immune system, multiple isoforms of the prolactin receptor serve to mediate the effects of its ligand prolactin. These isoforms are structurally and functionally distinct, causing significant differences in ligand affinities, kinetics of transduction and the transduction proteins activated. Differential activation of these pathways may contribute to the pleiotropism of prolactin action in tissues of the immune system (3). Prolactin receptor is required for normal maternal glucose homeostasis during pregnancy (4).

Protein Details

>90% by SDS-PAGE and analyzed by silver stain.
Endotoxin Level
<0.1 EU/µg as determined by the LAL method
Biological Activity
The biological activity of Rat PRL was determined by Measured by its ability to neutralize the rhProlactin-induced proliferation of the rat lymphoma Nb2-11 treated with 0.5 ng/mL of rhProlactin. (Gout, P.W. et al., 1980, Cancer Research 40:2433 - 2436). The expected ED50 for this effect is typically 0.005 - 0.02 mg/mL in the presence of 0.5 mg/mL of rhProlactin.
Fusion Protein Tag
Fc Fusion Protein
Expression Host
NS0 cells
Protein Accession No.
Amino Acid Sequence
q sppgkpeihk crspdketft cwwnpgtdgg lptnysltys kegekttyec pdyktsgpns cffskqytsi wkiyiitvna tnqmgssssd plyvdvtyiv epepprnltl evkqlkdkkt ylwvkwsppt itdvktgwft meyeirlkpe eaeeweihft ghqtqfkvfd lypgqkylvq trckpdhgyw srwsqessve mpndftlkdd iegrmdpksc dkthtcppcp apellggpsv flfppkpkdt lmisrtpevt cvvvdvshed pevkfnwyvd gvevhnaktk preeqynsty rvvsvltvlh qdwlngkeyk ckvsnkalpa piektiskak gqprepqvyt lppsrdeltk nqvsltclvk gfypsdiave wesngqpenn ykttppvlds dgsfflyskl tvdksrwqqg nvfscsvmhe alhnhytqks lslspgk
N-terminal Sequence Analysis
Gln20 predicted
State of Matter
Predicted Molecular Mass
The predicted molecular weight of Recombinant Rat PRL is Mr 51 kDa. However, the actual molecular weight as observed by migration on SDS-PAGE is Mr 67-74 kDa.
This recombinant protein was 0.2 µm filtered and lyophilized from modified Dulbecco’s phosphate buffered saline (1X PBS) pH 7.2 – 7.3 with no calcium, magnesium, or preservatives.
Storage and Stability
This lyophilized protein is stable for six to twelve months when stored desiccated at -20°C to -70°C. After aseptic reconstitution, this protein may be stored at 2°C to 8°C for one month or at -20°C to -70°C in a manual defrost freezer. Avoid Repeated Freeze Thaw Cycles. See Product Insert for exact lot specific storage instructions.
Country of Origin
Next Day Ambient
NCBI Gene Bank

References & Citations

1. Lindeman, GJ. et al. (2003) J. Biol. Chem. 278:32929
2. Makrigiannakis, A. et al. (2005) Reproductive Biomed. 10:339
3. Clevenger, CV. et al. (2001) Lupus 10:706
4. Mastro, M. et al. (2003) J. Appl. Physiol. 94:518
IMPORTANT Use lot specific datasheet for all technical information pertaining to this recombinant protein.
Products are for research use only. Not for use in diagnostic or therapeutic procedures.
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