• Skip to primary navigation
  • Skip to main content
  • Skip to footer

LKT Labs

Biochemicals for Life Science Research

  • Products
    • New Products
    • Cancer Biology
    • Cardiovascular
    • Endocrine Signaling and Immunology
    • Metabolic and GI Pathology
    • Microbiology
    • Natural Products
    • Neuroscience
    • Peptides
    • Pharmaceutical Impurities and Derivatives
    • Stem Cell Modulators
  • Services
    • Custom Synthesis
    • Natural Product Isolation
    • Analytical Services
  • Int’l Distributors
  • Support
    • About LKT Labs
    • General Inquiry
    • Bulk Quote Request
    • Document Request
    • Technical Support
    • Catalog Request
    • Product Flyers
  • Contact Us
  • Cart
  • Login / Register
Flag Peptide

Flag Peptide

Product ID F4400
Cas No. 98849-88-8
Purity ≥95%
Product Unit SizeCostQuantityStock
0.5 mg $46.00 In stock
1 mg $77.30 In stock
2.5 mg $137.70 In stock
Bulk Quote

Quicklinks

  • Description
  • Product Info
  • Shipping and Storage
  • Downloads
  • References
  • Description
  • Product Info
  • Shipping and Storage
  • Downloads
  • References
  • Custom Order

Description

Flag peptide is an octapeptide used to tag proteins and to label or separate particular subsets of proteins from one another using affinity chromatography, fluorescence, or gel electrophoresis. Flag peptide has a sequence of DYKDDDDK.

Product Info

Cas No.

98849-88-8

Purity

≥95%

Formula

C41H60N10O20

Formula Wt.

1012.99

IUPAC Name

6-amino-2-[[2-[[2-[[2-[[2-[[6-amino-2-[[2-[(2-amino-3-carboxypropanoyl)amino]-3-(4-hydroxyphenyl)propanoyl]amino]hexanoyl]amino]-3-carboxypropanoyl]amino]-3-carboxypropanoyl]amino]-3-carboxypropanoyl]amino]-3-carboxypropanoyl]amino]hexanoic acid

Synonym

Trypsinogen (human pancreas isoenzyme 2 activation peptide), DYKDDDDK

Solubility

Soluble in DMSO.

Appearance

White to off white powder

Shipping and Storage

Store Temp

-20°C

Ship Temp

Ambient

Downloads

MSDS

F4400 MSDS PDF

Info Sheet

F4400 Info Sheet PDF

References

Einhauer A, Jungbauer A. The FLAG peptide, a versatile fusion tag for the purification of recombinant proteins. J Biochem Biophys Methods. 2001 Oct 30;49(1-3):455-65. PMID: 11694294.

Custom Order

  • Size of single unit expressed as number (e.g. '500' in the case of 500 mg)
  • Total quantity of unit size desired (e.g. '10' in the case of 10 x 500 mg). If only one unit is desired, you may leave this blank.
  • This field is for validation purposes and should be left unchanged.

Related Products

  • G5874

    Gossypol

    Polyphenol found in Gossypium; calcineurin and ...

    ≥98%
  • E5240

    Leu-Enkephalin

    Endogenous opioid peptide; δOR and μOR agonis...

    ≥95%
  • A0958

    Aconitine

    Toxin found in Aconitum; voltage-gated Na+ channel...
    ≥95%
  • N1977

    Neurokinin A (4-10)

    Endogenous neuropeptide, also known as substanc...

    ≥95%
  • P8117

    Puerarin, High Purity

    Isoflavone found in Pueraria; 5-HT2C and GABA-A...

    ≥99%
  • N3301

    Niacin

    Vitamin B, required for formation of NAD and NA...

    ≥98%
  • A1369

    Adrenomedullin (13-52), human

    Endogenous peptide hormone, involved in cell gr...

    ≥95%
  • T6803

    Trandolapril

    ACE inhibitor.

    ≥98%
  • P014442

    Palbociclib

    CDK4/6 inhibitor.

    ≥98%
  • L0108

    Lacidipine

    Calcium channel blocker.

    ≥98%
  • T698579

    Tropodithietic Acid

    Produced by various marine proteobacteria

    ≥99%
  • C0171

    Carboplatin

    Pt-based DNA cross-linker.

    ≥99%
  • A2054

    Aflatoxin M2

    Mycotoxin produced by species of Aspergillus; D...

    ≥98%
  • H9611

    Hydrocortisone

    Endogenous steroid hormone involved in stress s...

    ≥98%
  • B8074

    3-tert-Butyl-5-Methoxy-1,2-quinone

    BHA derivative.

    ≥98%
  • S0253

    Sanguinarine

    Benzophenanthridine alkaloid found in various p...

    ≥98%
  • N5605

    Nobiletin

    Polymethoxylated flavone found in citrus fruits...

    ≥97%
  • S8014

    Substance P, Free Acid

    Endogenous tachykinin peptide, involved in infl...

    ≥95%
  • L1817

    Leflunomide

    AhR agonist, dihydroorotate dehydrogenase inhib...

    ≥98%
  • O4402

    Olaparib

    PARP1/2 inhibitor.

    ≥98%

Footer

  • Contact Us
  • About Us
  • Site Map
  • Terms and Conditions
LKT Laboratories, Inc.
545 Phalen Blvd.
St. Paul MN, 55130

Ph: (888)-558-5227
Fax: (888)-558-7329

©2025 LKT Laboratories, All Rights Reserved - Products for research use only