Peptide Database

Peptide NameSIFamide-2 1

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length15 amino acids

Chemical FormulaC78H114N16O27

DescriptionStandard

        EPLEDQLPDTSGLFF
    

Molecular Weight1707.83 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-4.16

Net Charge (pH 7.4) -4.33

Charge Density (pH 7.0) -0.2772

GRAVY Index-0.37

Hydrophobic Moment 0.33

Boman Index0.13

Instability Index32.81

Aliphatic Index 78.00

Aromaticity 0.1333

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 685.89

LogP -5.23

H-bond Donors 21.0

H-bond Acceptors 23.0

Rotatable Bonds 52.0

Heavy Atoms 121.0

Ring Count 4.0

Amide Bonds 15.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0215009 VERIFIED: NO

Provenance & Taxonomy

OrganismPlatynereis dumerilii [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide