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Featured Peptide Promotions and Research Peptide Products

LifeTein provides peptides, cytokines, growth factors, chemokines, CD antigens, neurotrophins, hormones, enzymes, viral antigens, recombinant proteins, natural proteins, monoclonal antibodies, and polyclonal antibodies. This page highlights selected peptide promotions, including beta-amyloid peptides, amylin, epitope tag peptides, cell-penetrating peptides, and LPETG motif peptides for sortase-mediated ligation and conjugation studies.


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peptide promotion beta amyloid peptide

Promotional Pricing

Selected peptide products are available at discounted prices for research use.

Neuroscience Peptides

Beta-amyloid and amylin peptides for Alzheimer’s disease and related research applications.

Sortase and Tag Peptides

LPETG motif peptides, labeling peptides, and epitope-tag peptides for conjugation and purification studies.

Featured Beta-Amyloid and Amylin Peptides

Order Amylin (1-37), human at the discounted price.

Beta-Amyloid (Aβ or Abeta) is a peptide processed from amyloid precursor protein (APP). Beta-amyloid is typically a 39-43 amino acid peptide derived from the extracellular and transmembrane regions of APP. APP is expressed as several isoforms, including proteins of 695, 751, and 770 amino acids.

Beta-amyloid plays a central role in information processing in the brain, and abnormal amyloid deposition is a major histopathological hallmark of Alzheimer’s disease. Aβ40 and Aβ42 are widely studied because of their association with neurotoxicity and amyloid plaque formation in Alzheimer’s disease and related disorders.


Featured LPETG and Sortase Motif Peptides

LPETG and LPXTG motif peptides are widely used in sortase-mediated ligation, protein labeling, and site-specific conjugation workflows. LifeTein offers biotinylated, fluorescently labeled, and modified LPETG peptides for research applications.

LPETG LPXTG motif
Cat. No. Product Name Applications Price Order
5467 Biotin-Ahx-LPETGS-NH2 LPXTG motif recognized by Sortase A (SrtA), amidated form $280
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6142 Biotin-Ahx-LPETGS-COOH LPXTG motif recognized by Sortase A (SrtA), free acid form $280
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5716 Biotin-AALPETG*G, G* = 2-hydroxyacetic acid 2-hydroxyacetic acid modified peptide $320
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6271 FITC-Ahx-LPETGS FITC labeling of peptides by SrtA $280
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6272 Rhodamine B-Ahx-LPETGS Rhodamine labeling of peptides by SrtA $450
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6148 Biotin-Ahx-LPETG-NH2 LPETG motif peptide $280
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5747 Biotin-ALPETGG LPETG motif, SrtA applications $280
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5989 Cy5-Cys-HHHHHHHHHLPETGG Cy5-labeled peptide $480
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35816 VC-PAB-MMAE-LPETGG Monomethyl auristatin E (MMAE) conjugate $420
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Other Featured Peptide Products

This section highlights selected neuroscience peptides, epitope-tag peptides, cell-penetrating peptides, and commonly used research peptides.

Cat. No. Product Name Applications Price Order
LT2460 Beta-Amyloid (1-42), human Alzheimer's disease study $1,500 $300
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LT1340 DYKDDDDK-Cysteine peptide (FLAG) Control peptide, affinity purification $50
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LT12006 HHHHHH-Cysteine Affinity purification $50
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LT12013 FITC-Stearyl-R8 Cell-penetrating peptide, Stearyl-RRRRRRRRGK(FITC) $150 $120
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LT12005 Stearyl-R8 Cell-penetrating peptide, Stearyl-RRRRRRRR $260 $180
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LT12001 PolyLys-Cys-SH KKKKKKC $55 $30
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LT2353 V5 Epitope Tag V5 epitope, affinity purification $153 $130
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LT110006 Amylin (1-37), human 37 amino acid polypeptide $400 $199
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Need Help Finding the Right Peptide?

Contact us for product recommendations, bulk pricing, custom peptide requests, and related research reagents.

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Displaying 1361 to 1370 (of 2026 Products)
Price Product Name
$205.20
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Leu-Enkephalin, amide

Product Name Leu-Enkephalin, amide Product Quantity 10mg Catalog Number LT1748 Molecular Weight 554.65 Formula C28H38N6O6 Sequence Tyr-Gly-Gly-Phe-Leu-NH2 Scientific Background Leu-Enkephalin, amide is a synthetic research peptide in the...
$270.00
... more info

Leu-Valorphin-Arg

Product NameLeu-Valorphin-ArgProduct Quantity10mgCatalog Number LT1749Molecular Weight1161.38FormulaC56H84N14O13SequenceLeu-Val-Val-Tyr-Pro-Trp-Thr-Gln-Arg
$270.00
... more info

Leucokinin I

Product Name Leucokinin I Product Quantity 10mg Catalog Number LT1737 Molecular Weight 891.93 Formula C41H52N11O12 Sequence Asp-Pro-Ala-Phe-Asn-Ser-Trp-Gly-NH2 Product Description The leucokinins are small insect neuropeptides which were originally...
$270.00
... more info

Leucokinin II

Product Name Leucokinin II Product Quantity 10mg Catalog Number LT1738 Molecular Weight 850.9 Formula C39H50N10O12 Sequence Asp-Pro-Gly-Phe-Ser-Ser-Trp-Gly-NH2 Scientific Background Leucokinin II is a synthetic research peptide in the leucokinin /...
$270.00
... more info

Leucokinin III

Product Name Leucokinin III Product Quantity 10mg Catalog Number LT1739 Molecular Weight 908.9 Formula C40H52N12O13 Sequence Asp-Gln-Gly-Phe-Asn-Ser-Trp-Gly-NH2 Scientific Background Leucokinin III is a synthetic research peptide in the leucokinin...
$270.00
... more info

Leucokinin IV

Product Name Leucokinin IV Product Quantity 10mg Catalog Number LT1740 Molecular Weight 904.9 Formula C41H52N12O12 Sequence Asp-Ala-Ser-Phe-His-Ser-Trp-Gly-NH2 Scientific Background Leucokinin IV is a synthetic research peptide in the leucokinin /...
$270.00
... more info

Leucokinin V

Product Name Leucokinin V Product Quantity 10mg Catalog Number LT1741 Molecular Weight 782.8 Formula C35H46N10O11 Sequence Gly-Ser-Gly-Phe-Ser-Ser-Trp-Gly-NH2 Scientific Background Leucokinin V is a synthetic research peptide in the leucokinin /...
$270.00
... more info

Leucokinin VII

Product Name Leucokinin VII Product Quantity 10mg Catalog Number LT1742 Molecular Weight 864.9 Formula C40H52N10O12 Sequence Asp-Pro-Ala-Phe-Ser-Ser-Trp-Gly-NH2 Scientific Background Leucokinin VII is a synthetic research peptide in the leucokinin...
$270.00
... more info

Leucokinin VIII

Product Name Leucokinin VIII Product Quantity 10mg Catalog Number LT1743 Molecular Weight 872.94 Formula C42H52N10O11 Sequence Gly-Ala-Ser-Phe-Tyr-Ser-Trp-Gly-NH2 Scientific Background Leucokinin VIII is a synthetic research peptide in the...
$300.24
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Leucomyosuppressin (lms)

Product NameLeucomyosuppressin (lms)Product Quantity10mgCatalog Number LT1744Molecular Weight1257.44FormulaC59H84N16O15SequencePyr-Asp-Val-Asp-His-Val-Phe-Leu-Arg-Phe-NH2
Displaying 1361 to 1370 (of 2026 Products)