Peptide Database

Peptide NameSubstance P [1-8]

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length8 amino acids

Chemical FormulaC50H74N14O11

DescriptionStandard

        RPKPQQFF
    

Molecular Weight1047.21 Da

Isoelectric Point (pI)11.00

Net Charge (pH 7.0)1.76

Net Charge (pH 7.4) 1.55

Charge Density (pH 7.0) 0.2199

GRAVY Index-1.62

Hydrophobic Moment 0.26

Boman Index-0.39

Instability Index62.12

Aliphatic Index 0.00

Aromaticity 0.2500

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 0.00

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

Amino Acid Composition

TPSA 423.54

LogP -2.79

H-bond Donors 13.0

H-bond Acceptors 13.0

Rotatable Bonds 31.0

Heavy Atoms 75.0

Ring Count 4.0

Amide Bonds 9.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0140844 VERIFIED: NO

Provenance & Taxonomy

OrganismRattus norvegicus [Animal]

FamilyTachykinin

Tax ID10116

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Neuropeptide