Peptide Database

Peptide NameSulphakinin II

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length11 amino acids

Chemical FormulaC64H84N16O19S

DescriptionStandard

        EPFDDYGHMRF
    

Molecular Weight1413.51 Da

Isoelectric Point (pI)4.54

Net Charge (pH 7.0)-2.07

Net Charge (pH 7.4) -2.30

Charge Density (pH 7.0) -0.1886

GRAVY Index-1.27

Hydrophobic Moment 0.11

Boman Index-0.14

Instability Index40.75

Aliphatic Index 0.00

Aromaticity 0.2727

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 568.24

LogP -3.39

H-bond Donors 19.0

H-bond Acceptors 19.0

Rotatable Bonds 42.0

Heavy Atoms 100.0

Ring Count 5.0

Amide Bonds 10.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0146536 VERIFIED: NO

Provenance & Taxonomy

OrganismGryllus bimaculatus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide