CHEBI:189550 - FLAG peptide

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ChEBI Name FLAG peptide ChEBI ID CHEBI:189550 Definition 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. Stars This entity has been manually annotated by the ChEBI Team. Supplier Information Download Molfile XML SDF Find compounds which contain this structure Find compounds which resemble this structure Take structure to the Advanced Search Formula C41H60N10O20 Net Charge 0 Average Mass 1012.981 Monoisotopic Mass 1012.39853 InChI InChI=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 InChIKey XZWYTXMRWQJBGX-VXBMVYAYSA-N SMILES NCCCC[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](CC1=CC=C(O)C=C1)NC(=O)[C@@H](N)CC(O)=O)C(O)=O Roles Classification Chemical Role(s): Bronsted base A molecular entity capable of accepting a hydron from a donor (Bronsted acid). (via organic amino compound ) View more via ChEBI Ontology ChEBI Ontology Outgoing 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 Sources Asp-Tyr-Lys-Asp-Asp-Asp-Asp-Lys ChEBI D-Y-K-D-D-D-D-K ChEBI DYKDDDDK ChEBI DYKDDDDK peptide ChEBI FLAG™ peptide ChEBI FLAG tag peptide ChEBI H-Asp-Tyr-Lys-Asp-Asp-Asp-Asp-Lys-OH ChEBI L-Asp-L-Tyr-L-Lys-L-Asp-L-Asp-L-Asp-L-Asp-L-Lys ChEBI Manual Xrefs Databases 8030374 ChemSpider HMDB0251651 HMDB View more database links Registry Number Type Source 98849-88-8 CAS Registry Number ChemIDplus Citations Types Sources 10455026 PubMed citation Europe PMC 10455034 PubMed citation Europe PMC 11461009 PubMed citation Europe PMC 11694294 PubMed citation Europe PMC 12049630 PubMed citation Europe PMC 23807489 PubMed citation Europe PMC 25555587 PubMed citation Europe PMC 28377223 PubMed citation Europe PMC 30042499 PubMed citation Europe PMC 32303576 PubMed citation Europe PMC 32990425 PubMed citation Europe PMC 7508479 PubMed citation Europe PMC 7530459 PubMed citation Europe PMC 9762440 PubMed citation Europe PMC Last Modified 26 January 2022