Peptide Database

Peptide NameSulfakinin 2

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length16 amino acids

Chemical FormulaC77H104N22O29

DescriptionStandard

        GSGGDDYQDDYGHLRF
    

Molecular Weight1801.78 Da

Isoelectric Point (pI)4.13

Net Charge (pH 7.0)-3.15

Net Charge (pH 7.4) -3.41

Charge Density (pH 7.0) -0.1969

GRAVY Index-1.48

Hydrophobic Moment 0.32

Boman Index-0.18

Instability Index35.86

Aliphatic Index 24.38

Aromaticity 0.1875

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 843.38

LogP -10.23

H-bond Donors 29.0

H-bond Acceptors 27.0

Rotatable Bonds 57.0

Heavy Atoms 128.0

Ring Count 4.0

Amide Bonds 16.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0014418 VERIFIED: NO

Provenance & Taxonomy

OrganismCarcinus maenas [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide