Peptide Database

Peptide NameSIFamide

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length14 amino acids

Chemical FormulaC74H107N19O20

DescriptionStandard

        EGAYRKPPFNGSIF
    

Molecular Weight1582.76 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) 0.0596

GRAVY Index-0.69

Hydrophobic Moment 0.21

Boman Index0.01

Instability Index2.54

Aliphatic Index 35.00

Aromaticity 0.2143

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 632.81

LogP -5.40

H-bond Donors 21.0

H-bond Acceptors 21.0

Rotatable Bonds 47.0

Heavy Atoms 113.0

Ring Count 5.0

Amide Bonds 14.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0027809 VERIFIED: NO

Provenance & Taxonomy

OrganismAcerentomon sp [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide