Peptide Database

Peptide NameSubstance P

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length12 amino acids

Chemical FormulaC72H106N18O15S

DescriptionStandard

        RPKPQQFFFGLM
    

Molecular Weight1495.79 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) 0.1466

GRAVY Index-0.41

Hydrophobic Moment 0.27

Boman Index0.02

Instability Index44.75

Aliphatic Index 32.50

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 539.94

LogP -2.17

H-bond Donors 17.0

H-bond Acceptors 18.0

Rotatable Bonds 46.0

Heavy Atoms 106.0

Ring Count 5.0

Amide Bonds 13.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0328368 VERIFIED: YES

Provenance & Taxonomy

Organismnot reported [other]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide