Peptide Database

Peptide NameSulfakinin 1 1

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length19 amino acids

Chemical FormulaC99H139N29O27

DescriptionStandard

        GGGDKWNKAAFNDYAHLRF
    

Molecular Weight2167.34 Da

Isoelectric Point (pI)8.50

Net Charge (pH 7.0)0.85

Net Charge (pH 7.4) 0.59

Charge Density (pH 7.0) 0.0446

GRAVY Index-0.95

Hydrophobic Moment 0.45

Boman Index-0.08

Instability Index55.08

Aliphatic Index 36.32

Aromaticity 0.2105

Extinction Coeff. Reduced 6990.00

Extinction Coeff. Oxidized 6990.00

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

Amino Acid Composition

TPSA 926.54

LogP -8.53

H-bond Donors 32.0

H-bond Acceptors 29.0

Rotatable Bonds 69.0

Heavy Atoms 155.0

Ring Count 6.0

Amide Bonds 20.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0046018 VERIFIED: NO

Provenance & Taxonomy

OrganismHypsibius dujardini [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide