A peptide with antibacterial activity
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FQWQRNIRKVR-NH2 (trifluoroacetate salt)

Item No. 42400

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Formal Name
L-phenylalanyl-L-glutaminyl-L-tryptophyl-L-glutaminyl-L-arginyl-L-asparaginyl-L-isoleucyl-L-arginyl-L-lysyl-L-valyl-L-argininamide, trifluoroacetate salt
Synonyms
  • LF11
Molecular Formula
C69H112N26O14 • XCF3COOH
Formula Weight
1529.8
Purity
≥95%
Formulation (Request formulation change)
A solid
Peptide Sequence
FQWQRNIRKVR-NH2
Solubility(Learn about Variance in Solubility)
DMSO: Soluble: ≥10 mg/mL
SMILES
[H]N[C@H](C(N[C@@H](CCC(N)=O)C(N[C@H](C(N[C@@H](CCC(N)=O)C(N[C@@H](CCCNC(N)=N)C(N[C@@H](CC(N)=O)C(N[C@]([C@H](CC)C)([H])C(N[C@@H](CCCNC(N)=N)C(N[C@@H](CCCCN)C(N[C@@H](C(C)C)C(N[C@@H](CCCNC(N)=N)C(N)=O)=O)=O)=O)=O)=O)=O)=O)=O)CC1=CNC2=C1C=CC=C2)=O)=O)CC3=CC=CC=C3.FC(F)(F)C(O)=O
InChi Code
InChI=1S/C69H112N26O14.C2HF3O2/c1-5-37(4)55(66(109)91-46(23-15-31-84-69(80)81)58(101)88-44(20-11-12-28-70)62(105)94-54(36(2)3)65(108)86-43(56(75)99)21-13-29-82-67(76)77)95-64(107)50(34-53(74)98)93-59(102)45(22-14-30-83-68(78)79)89-60(103)48(25-27-52(73)97)90-63(106)49(33-39-35-85-42-19-10-9-18-40(39)42)92-61(104)47(24-26-51(72)96)87-57(100)41(71)32-38-16-7-6-8-17-38;3-2(4,5)1(6)7/h6-10,16-19,35-37,41,43-50,54-55,85H,5,11-15,20-34,70-71H2,1-4H3,(H2,72,96)(H2,73,97)(H2,74,98)(H2,75,99)(H,86,108)(H,87,100)(H,88,101)(H,89,103)(H,90,106)(H,91,109)(H,92,104)(H,93,102)(H,94,105)(H,95,107)(H4,76,77,82)(H4,78,79,83)(H4,80,81,84);(H,6,7)/t37-,41-,43-,44-,45-,46-,47-,48-,49-,50-,54-,55-;/m0./s1
InChi Key
ZTOBKFHBLVUIQL-PYXJZQKGSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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    Product Description

    FQWQRNIRKVR-NH2 is a peptide fragment of lactoferricin with antibacterial activity.1 It is active against E. coli (MIC = 256 µg/ml).

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Zweytick, D., Pabst, G., Abuja, P.M., et al. Influence of N-acylation of a peptide derived from human lactoferricin on membrane selectivity. Biochim. Biophys. Acta 1758(9), 1426-1435 (2006).