Peptide Database

Peptide NameSulfakinin-3

Function Ontology

Gastrointestinal bioactivity

Hormonal / Endocrine ▸ Hormone peptide

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length13 amino acids

Chemical FormulaC69H94N18O22

DescriptionStandard

        VGGEYDDYGHLRF
    

Molecular Weight1527.59 Da

Isoelectric Point (pI)4.54

Net Charge (pH 7.0)-2.18

Net Charge (pH 7.4) -2.44

Charge Density (pH 7.0) -0.1674

GRAVY Index-0.86

Hydrophobic Moment 0.23

Boman Index-0.01

Instability Index32.89

Aliphatic Index 52.31

Aromaticity 0.2308

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 655.46

LogP -5.01

H-bond Donors 23.0

H-bond Acceptors 21.0

Rotatable Bonds 47.0

Heavy Atoms 109.0

Ring Count 4.0

Amide Bonds 12.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0040827 VERIFIED: YES

Provenance & Taxonomy

OrganismPenaeus monodon [Animal]

FamilyGastrin/cholecystokinin

Tax ID6687

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Hormone Gastrointestinal Neuropeptide

RECORD: Rec_0340141 VERIFIED: YES