[D-Pro4,D-Trp7,9,10]substance P (4-11)   

GtoPdb Ligand ID: 6185

Peptide Sequence
PQQWFWWM
Pro-Gln-Gln-Trp-Phe-Trp-Trp-Met
Chemical Modification
Relative to positions 4-11 of the naturally ocurring peptide, the N-terminal proline is the D isomer, and residues 7, 9 and 10 are replaced with D-Trp.