Peptide Database

Peptide NameSIFamide

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length15 amino acids

Chemical FormulaC75H110N20O20

DescriptionStandard

        TGGAYRKPPFNGSIF
    

Molecular Weight1611.80 Da

Isoelectric Point (pI)9.99

Net Charge (pH 7.0)1.40

Net Charge (pH 7.4) 1.20

Charge Density (pH 7.0) 0.0931

GRAVY Index-0.48

Hydrophobic Moment 0.21

Boman Index0.09

Instability Index5.60

Aliphatic Index 32.67

Aromaticity 0.2000

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 644.84

LogP -6.77

H-bond Donors 22.0

H-bond Acceptors 22.0

Rotatable Bonds 47.0

Heavy Atoms 115.0

Ring Count 5.0

Amide Bonds 15.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0288023 VERIFIED: NO

Provenance & Taxonomy

OrganismJordanathrix leptothrix [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide