Peptide Database

Peptide NameSulfakinin 1

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length10 amino acids

Chemical FormulaC58H76N16O17S

DescriptionStandard

        NFDDYGHMRF
    

Molecular Weight1301.39 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-1.24

Hydrophobic Moment 0.16

Boman Index-0.17

Instability Index-9.72

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 553.72

LogP -4.37

H-bond Donors 19.0

H-bond Acceptors 18.0

Rotatable Bonds 40.0

Heavy Atoms 92.0

Ring Count 4.0

Amide Bonds 10.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0215200 VERIFIED: NO

Provenance & Taxonomy

OrganismTetrodontophora bielanensis [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide