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Recombinant Human Leptin

CAT: 0013-GTR19033587Size: 200 µgDry Ice: NoHazardous: No
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CAT#:0013-GTR19033587Size:200 µg
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24/48H Stock Items & 2 to 6 Weeks non Stock Items.
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Description
Recombinant Human Leptin
Product Name Alternative
Obese Protein, Obesity Factor
UniProt
P41159
Source
Escherichia coli
Field of Research
Metabolism Research
Endotoxin
Less than 1 EU/ugof rHuLeptin as determined by LAL method.
Purity
> 97 % by SDS-PAGE and HPLC analyses.
Bioactivity
Fully biologically active when compared to standard. The ED50 as determined by a chemotaxis bioassay using human Leptin R transfected BaF3 murine proB cells is less than 2 ng/ml, corresponding to a specific activity of > 5.0 x105 IU/mg.
Form
Lyophilized from a 0.2 μm filtered concentrated solution in 50 mm PB, pH 3.5, with 0.02 % Tween-20.
Molecular Weight
Approximately 16.0 kDa, a single non-glycosylated polypeptide chain containing 146 amino acids.
Storage Conditions
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.- 3 months, -20 to -70 °C under sterile conditions after reconstitution.
Notes
For research use only.
AA Sequence
VPIQKVQDDT KTLIKTIVTR INDISHTQSV SSKQKVTGLD FIPGLHPILT LSKMDQTLAV YQQILTSMPS RNVIQISNDL ENLRDLLHVL AFSKSCHLPW ASGLETLDSL GGVLEASGYS TEVVALSRLQ GSLQDMLWQL DLSPGC

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