Peptide Database

Peptide NameSulfakinin SK-2 [E1]

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length11 amino acids

Chemical FormulaC62H82N16O20S

DescriptionStandard

        EFDDYSGHMRF
    

Molecular Weight1403.47 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) -0.1886

GRAVY Index-1.20

Hydrophobic Moment 0.23

Boman Index-0.17

Instability Index13.45

Aliphatic Index 0.00

Aromaticity 0.2727

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 597.26

LogP -4.90

H-bond Donors 21.0

H-bond Acceptors 20.0

Rotatable Bonds 44.0

Heavy Atoms 99.0

Ring Count 4.0

Amide Bonds 10.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0237382 VERIFIED: NO

Provenance & Taxonomy

OrganismCarabus violaceus [Animal]; Carabus problematicus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide