Peptide Database

Peptide NameSulfakinin 1

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length10 amino acids

Chemical FormulaC59H77N15O18S

DescriptionStandard

        EFDDYGHMRF
    

Molecular Weight1316.40 Da

Isoelectric Point (pI)4.54

Net Charge (pH 7.0)-2.07

Net Charge (pH 7.4) -2.30

Charge Density (pH 7.0) -0.2075

GRAVY Index-1.24

Hydrophobic Moment 0.16

Boman Index-0.17

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 547.93

LogP -3.38

H-bond Donors 19.0

H-bond Acceptors 18.0

Rotatable Bonds 41.0

Heavy Atoms 93.0

Ring Count 4.0

Amide Bonds 9.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0314633 VERIFIED: NO

Provenance & Taxonomy

OrganismCarcinus maenas [Animal]; Nipponentomon nippon [Animal]; Filientomon takanawanum [Animal]; Pedetontus okajimae [Animal]; Machilontus sp [Animal]; Tricholepidion gertschi [Animal]; Thermobia domestica [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide