Peptide Database

Peptide NameSIFamide SIFa2

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length17 amino acids

Chemical FormulaC88H126N22O25S

DescriptionStandard

        AMDPYKQNQPPFNGGIF
    

Molecular Weight1924.14 Da

Isoelectric Point (pI)5.88

Net Charge (pH 7.0)-0.20

Net Charge (pH 7.4) -0.40

Charge Density (pH 7.0) -0.0121

GRAVY Index-0.85

Hydrophobic Moment 0.30

Boman Index0.06

Instability Index46.29

Aliphatic Index 28.82

Aromaticity 0.1765

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 758.46

LogP -6.93

H-bond Donors 22.0

H-bond Acceptors 26.0

Rotatable Bonds 57.0

Heavy Atoms 136.0

Ring Count 6.0

Amide Bonds 20.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0303100 VERIFIED: NO

Provenance & Taxonomy

OrganismSminthurus viridis [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide