Peptide Database

Peptide NameSubstance P

Function Ontology

Neurological / Signaling ▸ Neuromodulation

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Neurological / Signaling ▸ Tachykinin peptide

Standard StatusStandard

Sequence Length12 amino acids

Chemical FormulaC59H86N14O19S

DescriptionStandard

        DNPSVGQFYGLM
    

Molecular Weight1327.46 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-1.24

Net Charge (pH 7.4) -1.44

Charge Density (pH 7.0) -0.1033

GRAVY Index-0.19

Hydrophobic Moment 0.21

Boman Index0.22

Instability Index29.55

Aliphatic Index 56.67

Aromaticity 0.1667

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1490.00

The radar chart summarizes major physicochemical dimensions for quick comparison, while exact numerical values remain listed on the left.

Amino Acid Composition

TPSA 538.57

LogP -5.25

H-bond Donors 17.0

H-bond Acceptors 19.0

Rotatable Bonds 40.0

Heavy Atoms 93.0

Ring Count 3.0

Amide Bonds 13.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0400055 VERIFIED: YES

Provenance & Taxonomy

OrganismSphyrna lewini [Animal]

FamilyTachykinin

Tax ID7823

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Tachykinin Neuropeptide Neuromodulator

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