Peptide Database

Peptide NameSulfakinin 1

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length10 amino acids

Chemical FormulaC56H73N15O16S

DescriptionStandard

        GFDDYGHMRF
    

Molecular Weight1244.33 Da

Isoelectric Point (pI)5.21

Net Charge (pH 7.0)-1.15

Net Charge (pH 7.4) -1.41

Charge Density (pH 7.0) -0.1152

GRAVY Index-0.93

Hydrophobic Moment 0.05

Boman Index-0.05

Instability Index5.31

Aliphatic Index 0.00

Aromaticity 0.3000

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 510.63

LogP -3.61

H-bond Donors 18.0

H-bond Acceptors 17.0

Rotatable Bonds 38.0

Heavy Atoms 88.0

Ring Count 4.0

Amide Bonds 9.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0165762 VERIFIED: NO

Provenance & Taxonomy

OrganismArgulus siamensis [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide