Peptide Database

Peptide NameSulfakinin-1

Function Ontology

Gastrointestinal bioactivity

Hormonal / Endocrine ▸ Hormone peptide

Neurological / Signaling ▸ Neuromodulation

Neurological / Signaling ▸ Neuromuscular and muscle activity ▸ Myotropic activity

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length11 amino acids

Chemical FormulaC65H87N17O20S

DescriptionStandard

        EQFEDYGHMRF
    

Molecular Weight1458.55 Da

Isoelectric Point (pI)4.65

Net Charge (pH 7.0)-2.07

Net Charge (pH 7.4) -2.30

Charge Density (pH 7.0) -0.1885

GRAVY Index-1.45

Hydrophobic Moment 0.18

Boman Index-0.22

Instability Index22.68

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 620.12

LogP -4.24

H-bond Donors 21.0

H-bond Acceptors 20.0

Rotatable Bonds 47.0

Heavy Atoms 103.0

Ring Count 4.0

Amide Bonds 11.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0424690 VERIFIED: YES

Provenance & Taxonomy

OrganismPanchlora sp. [Animal]

FamilySulfakinin

Tax ID3067630

Structure & Mods

Configlinear peptide [Linear]

Chiralitynoncanonical stereochemical modification [Modified]

C-TermAmidation

Other Mods6:Sulfotyrosine

Bio-Activity Profile

Function

Hormone Endocrine Neuropeptide Neuromodulator Myotropic

Half-LifeMammalian: 1 hour; Yeast: 30 min; E. coli: >10 hour

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