Peptide Database

Peptide NameInsulin-releasing peptide 4-2

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length23 amino acids

Chemical FormulaC111H179N31O37S4

DescriptionStandard

        SIIDECCRRPCYLSELKSYCASQ
    

Molecular Weight2668.05 Da

Isoelectric Point (pI)5.90

Net Charge (pH 7.0)-0.58

Net Charge (pH 7.4) -0.85

Charge Density (pH 7.0) -0.0250

GRAVY Index-0.26

Hydrophobic Moment 0.55

Boman Index-0.14

Instability Index71.73

Aliphatic Index 72.17

Aromaticity 0.0870

Extinction Coeff. Reduced 2980.00

Extinction Coeff. Oxidized 3230.00

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

Amino Acid Composition

TPSA 1120.92

LogP -12.52

H-bond Donors 44.0

H-bond Acceptors 41.0

Rotatable Bonds 87.0

Heavy Atoms 183.0

Ring Count 3.0

Amide Bonds 23.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0343070 VERIFIED: NO

Provenance & Taxonomy

OrganismAcyrthosiphon pisum [Animal]

FamilyInsulin

Tax ID7029

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Neuropeptide