Peptide Database

Peptide NameSIFamide 5

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length12 amino acids

Chemical FormulaC66H95N17O17

DescriptionStandard

        GYRKPPFNGSIY
    

Molecular Weight1398.56 Da

Isoelectric Point (pI)9.70

Net Charge (pH 7.0)1.76

Net Charge (pH 7.4) 1.55

Charge Density (pH 7.0) 0.1464

GRAVY Index-1.00

Hydrophobic Moment 0.14

Boman Index-0.06

Instability Index1.29

Aliphatic Index 32.50

Aromaticity 0.2500

Extinction Coeff. Reduced 2980.00

Extinction Coeff. Oxidized 2980.00

The radar chart summarizes major physicochemical dimensions for quick comparison, while exact numerical values remain listed on the left.

Amino Acid Composition

TPSA 557.54

LogP -4.55

H-bond Donors 19.0

H-bond Acceptors 19.0

Rotatable Bonds 40.0

Heavy Atoms 100.0

Ring Count 5.0

Amide Bonds 12.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0361501 VERIFIED: NO

Provenance & Taxonomy

OrganismPanulirus interruptus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide