Peptide Database

Peptide NameSIFamide

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length16 amino acids

Chemical FormulaC82H120N22O24

DescriptionStandard

        EATNGYRKPPFNGSIF
    

Molecular Weight1797.96 Da

Isoelectric Point (pI)8.69

Net Charge (pH 7.0)0.83

Net Charge (pH 7.4) 0.66

Charge Density (pH 7.0) 0.0522

GRAVY Index-0.86

Hydrophobic Moment 0.33

Boman Index-0.04

Instability Index-15.32

Aliphatic Index 30.62

Aromaticity 0.1875

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 754.33

LogP -8.17

H-bond Donors 25.0

H-bond Acceptors 25.0

Rotatable Bonds 54.0

Heavy Atoms 128.0

Ring Count 5.0

Amide Bonds 17.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0258514 VERIFIED: NO

Provenance & Taxonomy

OrganismPogonognathellus sp [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide