Peptide Database

Peptide NameVasoactive intestinal peptide

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Standard StatusStandard

Sequence Length28 amino acids

Chemical FormulaC145H226N42O42S

DescriptionStandard

        HSDAVFTDNYSRFRKQMAAKKYLNSVLA
    

Molecular Weight3261.67 Da

Isoelectric Point (pI)9.82

Net Charge (pH 7.0)2.84

Net Charge (pH 7.4) 2.58

Charge Density (pH 7.0) 0.1016

GRAVY Index-0.59

Hydrophobic Moment 0.49

Boman Index-0.16

Instability Index29.37

Aliphatic Index 62.86

Aromaticity 0.1429

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 1404.81

LogP -14.69

H-bond Donors 50.0

H-bond Acceptors 47.0

Rotatable Bonds 109.0

Heavy Atoms 230.0

Ring Count 5.0

Amide Bonds 30.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0131579 VERIFIED: NO

Provenance & Taxonomy

OrganismGadus morhua [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Hormone