Peptide Database

Peptide NameUnnamed

Function Ontology

Sensory / Food function ▸ Taste-active peptide ▸ Bitter peptide

Standard StatusStandard

Sequence Length4 amino acids

Chemical FormulaC25H38N4O5

DescriptionStandard

        PFIV
    

Molecular Weight474.59 Da

Isoelectric Point (pI)5.96

Net Charge (pH 7.0)-0.04

Net Charge (pH 7.4) -0.10

Charge Density (pH 7.0) -0.0104

GRAVY Index2.48

Hydrophobic Moment 0.22

Boman Index0.94

Instability Index34.42

Aliphatic Index 170.00

Aromaticity 0.2500

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 136.63

LogP 1.22

H-bond Donors 5.0

H-bond Acceptors 5.0

Rotatable Bonds 12.0

Heavy Atoms 34.0

Ring Count 2.0

Amide Bonds 3.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0316942 VERIFIED: YES

Provenance & Taxonomy

OrganismBos taurus [Animal]

FamilyCasein-derived peptide

Tax ID9913

Structure & Mods

Configlinear contiguous peptide sequence [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Bitter

Activity3.33 Rcaf

MethodRelative bitterness (Rcaf)