demotate 2   Click here for help

GtoPdb Ligand ID: 5636

Synonyms: N(4) (0-1),Asp0,Tyr3-octreotate
Comment: Demotate 2 can be radiolabelled with 99mTechnetium, a metastable nuclear isomer of Technetium-99 and is widely used in diagnostic nuclear medicine.
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Peptide Sequence Click here for help
DFYWKTCT
Asp-Phe-Tyr-Trp-Lys-Thr-Cys-Thr-OH
Chemical Modification
To synthesise demotate 2, N,N′,N″,N′″-tetra-(tert-butoxycarbonyl)-6-(carboxy)-1,4,8,11 -tetraazaundecane was coupled at the N-terminus Asp of the octapeptide DFYWKTCT and the product cyclicised in the presence of DMSO and then purified [1].