Peptide Database

Peptide NameSPFPRI/Lamide

Function Ontology

Neurological / Signaling ▸ Neuromuscular and muscle activity ▸ Myoactive peptide

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Neurological / Signaling ▸ Visceral muscle modulation

Standard StatusStandard

Sequence Length7 amino acids

Chemical FormulaC40H64N10O9

DescriptionStandard

        SPFPRIL
    

Molecular Weight829.00 Da

Isoelectric Point (pI)9.47

Net Charge (pH 7.0)0.46

Net Charge (pH 7.4) 0.25

Charge Density (pH 7.0) 0.0657

GRAVY Index0.37

Hydrophobic Moment 0.74

Boman Index0.17

Instability Index143.11

Aliphatic Index 111.43

Aromaticity 0.1429

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 302.47

LogP -1.09

H-bond Donors 10.0

H-bond Acceptors 10.0

Rotatable Bonds 22.0

Heavy Atoms 59.0

Ring Count 3.0

Amide Bonds 6.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0147743 VERIFIED: YES

Provenance & Taxonomy

OrganismEisenia foetida [Animal]

FamilyPeriviscerokinin

Tax ID6396

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Other ModsIle6 Amidation

Bio-Activity Profile

Function

Neuropeptide Visceral activity Myoactive