FLAG peptide

Chemical Information
FLAG peptide is an eight amino acid peptide consisting of L-aspartic acid, L-tyrosine, L-lysine, four L-aspartic acid residues, and L-lysine joined in sequence by peptide linkages. It is widely used as a fusion tag for the purification and detection of a wide variety of recombinant proteins.
| CAS Number | 98849-88-8 |
| PubChem CID | 9854670 |
| IUPAC Name | (2S)-6-amino-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-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 |
| Molecular Formula | C41H60N10O20 |
| Molecular Weight | 1013.0 |
| XLogP | -12.9 |
| Topological Polar Surface Area | 526 |
| Hydrogen Bond Donor Count | 17 |
| Hydrogen Bond Acceptor Count | 23 |
| Rotatable Bond Count | 35 |
| Heavy Atom Count | 71 |
| Formal Charge | 0 |
| Complexity | 1910 |
| Property | Value |
|---|---|
| Molecular Weight | 1013.0 |
| XLogP3 | -12.9 |
| Hydrogen Bond Donor Count | 17 |
| Hydrogen Bond Acceptor Count | 23 |
| Rotatable Bond Count | 35 |
| Exact Mass | 1012.39853434 |
| Monoisotopic Mass | 1012.39853434 |
| Topological Polar Surface Area | 526 Ų |
| Heavy Atom Count | 71 |
| Formal Charge | 0 |
| Complexity | 1910 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 8 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
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