Peptide Database

Peptide NameVasoactive intestinal peptide

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Standard StatusStandard

Sequence Length28 amino acids

Chemical FormulaC148H239N43O43S

DescriptionStandard

        HSEAVFTDNYTRLRKQMAVKKYLNSILN
    

Molecular Weight3340.81 Da

Isoelectric Point (pI)9.82

Net Charge (pH 7.0)2.85

Net Charge (pH 7.4) 2.58

Charge Density (pH 7.0) 0.1017

GRAVY Index-0.64

Hydrophobic Moment 0.60

Boman Index-0.18

Instability Index39.07

Aliphatic Index 83.57

Aromaticity 0.1071

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 1447.90

LogP -14.23

H-bond Donors 51.0

H-bond Acceptors 48.0

Rotatable Bonds 114.0

Heavy Atoms 235.0

Ring Count 4.0

Amide Bonds 31.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0128999 VERIFIED: NO

Provenance & Taxonomy

OrganismRattus norvegicus [Animal]

Tax ID10116

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Hormone