[Nle11]-Substance P

Names

[ Name ]:
[Nle11]-Substance P

[Synonym ]:
L-Norleucinamide, N-(diaminomethylene)-L-ornithyl-L-prolyl-L-lysyl-L-prolyl-L-glutaminyl-L-glutaminyl-L-phenylalanyl-L-phenylalanylglycyl-L-leucyl-
substance P,NleNH2(11)
N-(diaminomethylidene)-L-ornithyl-L-prolyl-L-lysyl-L-prolyl-L-glutaminyl-L-glutaminyl-L-phenylalanyl-L-phenylalanylglycyl-L-leucyl-L-norleucinamide
Substance P,[Nle11]
[Nle11 ]-substance P
N-(Diaminomethylene)-L-ornithyl-L-prolyl-L-lysyl-L-prolyl-L-glutaminyl-L-glutaminyl-L-phenylalanyl-L-phenylalanylglycyl-L-leucyl-L-norleucinamide
[Nle11]-Substance P

Biological Activity

[Description]:

[Nle11]-Substance P is a substance P analog that avoids methionine oxidation problems.

[Related Catalog]:

Signaling Pathways >> GPCR/G Protein >> Neurokinin Receptor

Signaling Pathways >> Neuronal Signaling >> Neurokinin Receptor

Research Areas >> Neurological Disease

Peptides

[In Vitro]

Substance P and its analog, [Nle11]-Substance P have shown similar potency in tests. The spasmogenic activity of Substance P and [Nle11]-Substance P are preserved in the same potency order on stimulated guinea-pig ileum[1].

[References]

[1]. Chipkin RE, et al. In vitro activities of some synthetic substance P analogs. Arch Int Pharmacodyn Ther. 1979 Aug;240(2):193-202.

[Related Small Molecules]

Chemical & Physical Properties

[ Density]:
1.4±0.1 g/cm3

[ Molecular Formula ]:
C₆₄H₁₀₀N₁₈O₁₃

[ Molecular Weight ]:
1329.592

[ Exact Mass ]:
1328.771729

[ PSA ]:
516.63000

[ LogP ]:
-0.18

[ Index of Refraction ]:
1.654

Safety Information

[ Personal Protective Equipment ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ RIDADR ]:
NONH for all modes of transport

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Articles

In vitro activities of some synthetic substance P analogs.

Arch. Int. Pharmacodyn. Ther. 240 , 193, (1979)

Substance P (SP) and several analogs and fragments have been synthesized and evaluated on non-stimulated and stimulated guinea-pig ileum. In the former test system the potency order was as follows: SP...

Synthesis and biological activities of photoaffinity labeling analogues of substance P.

J. Med. Chem. 25 , 470, (1982)

Substance P (Arg-Pro-Lys-Pro-Gln-Gln-Phe-Phe-Gly-Leu-MetNH2, SP) is an undecapeptide with important properties as a neurotransmitter and with other functions. No specific antagonists and no long-actin...

Some observations indicating a low brain uptake of [3H]Nle11-Substance P.

Pharmazie 38(2) , 108-10, (1983)

The studies concerning the problem of whether an exogenous neuropeptide is able to enter the brain tissue were extended to the undecapeptide Substance P (SP). The amount of radioactivity 15 s after in...