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CHEBI:189550 - FLAG peptide

ChEBI IDCHEBI:189550
ChEBI NameFLAG peptide
Stars
DefinitionAn 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.
Last Modified26 January 2022
SubmitterAdnan
DownloadsMolfile
FormulaC41H60N10O20
Net Charge0
Average Mass1012.981
Monoisotopic Mass1012.39853
SMILESNCCCC[C@H](NC(=O)[C@H](CC(=O)O)NC(=O)[C@H](CC(=O)O)NC(=O)[C@H](CC(=O)O)NC(=O)[C@H](CC(=O)O)NC(=O)[C@H](CCCCN)NC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)[C@@H](N)CC(=O)O)C(=O)O
InChIInChI=1S/C41H60N10O20/c42-11-3-1-5-22(45-36(65)24(13-19-7-9-20(52)10-8-19)47-34(63)21(44)14-29(53)54)35(64)48-26(16-31(57)58)38(67)50-28(18-33(61)62)40(69)51-27(17-32(59)60)39(68)49-25(15-30(55)56)37(66)46-23(41(70)71)6-2-4-12-43/h7-10,21-28,52H,1-6,11-18,42-44H2,(H,45,65)(H,46,66)(H,47,63)(H,48,64)(H,49,68)(H,50,67)(H,51,69)(H,53,54)(H,55,56)(H,57,58)(H,59,60)(H,61,62)(H,70,71)/t21-,22-,23-,24-,25-,26-,27-,28-/m0/s1
InChIKeyXZWYTXMRWQJBGX-VXBMVYAYSA-N
Roles Classification
Chemical Role:
Bronsted base  A molecular entity capable of accepting a hydron from a donor (Brønsted acid).
ChEBI Ontology
Outgoing Relation(s)
FLAG peptide (CHEBI:189550) is a peptide (CHEBI:16670)
IUPAC Name 
L-α-aspartyl-L-tyrosyl-L-lysyl-L-α-aspartyl-L-α-aspartyl-L-α-aspartyl-L-α-aspartyl-L-lysine
Synonyms  Source
Asp-Tyr-Lys-Asp-Asp-Asp-Asp-LysChEBI
DYKDDDDK peptideChEBI
H-Asp-Tyr-Lys-Asp-Asp-Asp-Asp-Lys-OHChEBI
DYKDDDDKChEBI
D-Y-K-D-D-D-D-KChEBI
FLAG™ peptideChEBI
Manual XrefsDatabases
HMDB0251651HMDB
8030374ChemSpider
Registry NumbersSources
CAS:98849-88-8ChemIDplus
Citations