A peptide elution ligand
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Biochemicals
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Sample Preparation

(DYKDDDDK)3 (trifluoroacetate salt)

Item No. 44482

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Molecular Formula
C123H176N30O58 • XCF3COOH
Formula Weight
3002.9
Purity
≥95%
Formulation (Request formulation change)
A solid
Peptide Sequence
DYKDDDDKDYKDDDDKDYKDDDDK-OH
Solubility(Learn about Variance in Solubility)
PBS (pH 7.2): Soluble: ≥10 mg/ml
SMILES
O=C(O)C[C@H](N[H])C(N[C@@H](CC1=CC=C(O[H])C=C1)C(N[C@@H](CCCCN[H])C(N[C@@H](CC(O)=O)C(N[C@@H](CC(O)=O)C(N[C@@H](CC(O)=O)C(N[C@@H](CC(O)=O)C(N[C@@H](CCCCN[H])C(N[C@@H](CC(O)=O)C(N[C@@H](CC2=CC=C(O[H])C=C2)C(N[C@@H](CCCCN[H])C(N[C@@H](CC(O)=O)C(N[C@@H](CC(O)=O)C(N[C@@H](CC(O)=O)C(N[C@@H](CC(O)=O)C(N[C@@H](CCCCN[H])C(N[C@@H](CC(O)=O)C(N[C@@H](CC3=CC=C(O[H])C=C3)C(N[C@@H](CCCCN[H])C(N[C@@H](CC(O)=O)C(N[C@@H](CC(O)=O)C(N[C@@H](CC(O)=O)C(N[C@@H](CC(O)=O)C(N[C@@H](CCCCN[H])C(O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O.OC(C(F)(F)F)=O
InChi Code
InChI=1S/C123H176N30O58.C2HF3O2/c124-31-7-1-13-62(131-106(193)68(37-55-19-25-58(154)26-20-55)137-100(187)61(130)40-85(157)158)101(188)142-76(46-91(169)170)114(201)148-82(52-97(181)182)120(207)151-79(49-94(175)176)117(204)145-71(41-86(159)160)109(196)134-65(16-4-10-34-127)104(191)140-74(44-89(165)166)112(199)138-69(38-56-21-27-59(155)28-22-56)107(194)132-63(14-2-8-32-125)102(189)143-77(47-92(171)172)115(202)149-83(53-98(183)184)121(208)152-80(50-95(177)178)118(205)146-72(42-87(161)162)110(197)135-66(17-5-11-35-128)105(192)141-75(45-90(167)168)113(200)139-70(39-57-23-29-60(156)30-24-57)108(195)133-64(15-3-9-33-126)103(190)144-78(48-93(173)174)116(203)150-84(54-99(185)186)122(209)153-81(51-96(179)180)119(206)147-73(43-88(163)164)111(198)136-67(123(210)211)18-6-12-36-129;3-2(4,5)1(6)7/h19-30,61-84,154-156H,1-18,31-54,124-130H2,(H,131,193)(H,132,194)(H,133,195)(H,134,196)(H,135,197)(H,136,198)(H,137,187)(H,138,199)(H,139,200)(H,140,191)(H,141,192)(H,142,188)(H,143,189)(H,144,190)(H,145,204)(H,146,205)(H,147,206)(H,148,201)(H,149,202)(H,150,203)(H,151,207)(H,152,208)(H,153,209)(H,157,158)(H,159,160)(H,161,162)(H,163,164)(H,165,166)(H,167,168)(H,169,170)(H,171,172)(H,173,174)(H,175,176)(H,177,178)(H,179,180)(H,181,182)(H,183,184)(H,185,186)(H,210,211);(H,6,7)/t61-,62-,63-,64-,65-,66-,67-,68-,69-,70-,71-,72-,73-,74-,75-,76-,77-,78-,79-,80-,81-,82-,83-,84-;/m0./s1
InChi Key
UEFZAMBUFQWFJW-RYWVKORUSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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    1 mg

    $65

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    5 mg

    $130

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    10 mg

    $228

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    25 mg

    $488

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    Product Description

    (DYKDDDDK)3 is a peptide containing three tandem repeats of the epitope tag DYKDDDDK that has been used to elute DYKDDDDK-tagged proteins during affinity purification.1

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Han, Z., and Svejstrup, J.Q. Protocol to detect spontaneous termination of yeast RNAPII transcription in vitro. STAR Protoc. 5(4), 103369 (2024).