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Substance P (9-11)

Substance P (9-11)

Catalog Number: BRS16112
CAS Number: 40297-96-9

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Specifications

Sequence one letter code

GLM-NH2・HCl

Sequence three letter code

Gly-Leu-Met-NH2・HCl

CAS Number

40297-96-9

Molecular Formula

C₁₃H₂₆N₄O₃S₁・HCl

Molecular Weight

354.9

Modification

C-terminal Amidation

Purity

Peak Area by HPLC ≥95%

Form

Lyophilized

Long Storage

- 20 °C or below

For Research Use Only.

 

Glycyl-leucyl-methionine (Gly-Leu-Met-NH₂) is the 9- 11 residue peptide of the neuropeptide Substance P. Conformational studies have shown that the tripeptide has a twist-like structure and can weakly bind to the neurokinin-1 (NK1) receptor, which helps the study of receptor binding kinetics and structure-activity relationship. In vascular smooth muscle experiments, SP(9–11) exhibited vasodilation and spasm-inducing effects at high concentrations, showing that longer SP fragments have lower agonist potency. Although the activity is far inferior to that of the complete Substance P, SP(9–11) is still an important molecular probe for analyzing the NK1 receptor activation pharmacophore and peptide design.

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