Peptide Database

Peptide NameSulfakinin SK-2

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length13 amino acids

Chemical FormulaC74H104N20O22

DescriptionStandard

        NSPKFEDYGHLRY
    

Molecular Weight1625.74 Da

Isoelectric Point (pI)6.75

Net Charge (pH 7.0)-0.15

Net Charge (pH 7.4) -0.41

Charge Density (pH 7.0) -0.0117

GRAVY Index-1.61

Hydrophobic Moment 0.18

Boman Index-0.28

Instability Index60.33

Aliphatic Index 30.00

Aromaticity 0.2308

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 698.71

LogP -5.90

H-bond Donors 24.0

H-bond Acceptors 23.0

Rotatable Bonds 50.0

Heavy Atoms 116.0

Ring Count 5.0

Amide Bonds 13.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0351589 VERIFIED: NO

Provenance & Taxonomy

OrganismPardosa pseudoannulata [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide