Peptide Database

Peptide NameSIFamide

Function Ontology

Neurological / Signaling ▸ Neuromodulation

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length12 amino acids

Chemical FormulaC67H97N15O16

DescriptionStandard

        AYKKPPFNGSIF
    

Molecular Weight1368.58 Da

Isoelectric Point (pI)9.70

Net Charge (pH 7.0)1.79

Net Charge (pH 7.4) 1.60

Charge Density (pH 7.0) 0.1494

GRAVY Index-0.42

Hydrophobic Moment 0.12

Boman Index0.12

Instability Index22.46

Aliphatic Index 40.83

Aromaticity 0.2500

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 501.43

LogP -3.00

H-bond Donors 16.0

H-bond Acceptors 18.0

Rotatable Bonds 40.0

Heavy Atoms 98.0

Ring Count 5.0

Amide Bonds 12.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0179962 VERIFIED: NO

Provenance & Taxonomy

OrganismCamponotus floridanus [Animal] [Animal]; Argochrysis armilla [Animal] [Animal]; Chrysis viridula [Animal] [Animal]; Microplitis demolitor [Animal] [Animal]; Telenomus podisi [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide

RECORD: Rec_0417618 VERIFIED: YES

Provenance & Taxonomy

OrganismCamponotus floridanus [Animal]

FamilySIFamide-related peptide

Tax ID104421