Peptide Database

Peptide NameHelokinestatin-3

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide Antagonist

Standard StatusStandard

Sequence Length13 amino acids

Chemical FormulaC69H115N17O15S

DescriptionStandard

        VPPPPLQMPLIPR
    

Molecular Weight1454.82 Da

Isoelectric Point (pI)9.72

Net Charge (pH 7.0)0.73

Net Charge (pH 7.4) 0.52

Charge Density (pH 7.0) 0.0565

GRAVY Index0.05

Hydrophobic Moment 0.22

Boman Index0.20

Instability Index119.35

Aliphatic Index 112.31

Aromaticity 0.0000

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 0.00

The radar chart summarizes major physicochemical dimensions for quick comparison, while exact numerical values remain listed on the left.

Amino Acid Composition

TPSA 464.77

LogP -0.67

H-bond Donors 12.0

H-bond Acceptors 17.0

Rotatable Bonds 36.0

Heavy Atoms 102.0

Ring Count 6.0

Amide Bonds 13.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0131052 VERIFIED: NO

Provenance & Taxonomy

OrganismHeloderma suspectum cinctum [Animal] [Animal]; Heloderma horridum [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Neuropeptide Antagonist

TargetB2