Peptide Database

Peptide NameUnnamed

Function Ontology

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

Standard StatusStandard

Sequence Length6 amino acids

Chemical FormulaC33H53N9O7

DescriptionStandard

        RGPFIV
    

Molecular Weight687.83 Da

Isoelectric Point (pI)9.75

Net Charge (pH 7.0)0.76

Net Charge (pH 7.4) 0.56

Charge Density (pH 7.0) 0.1267

GRAVY Index0.83

Hydrophobic Moment 0.36

Boman Index0.29

Instability Index12.13

Aliphatic Index 113.33

Aromaticity 0.1667

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 261.93

LogP -0.83

H-bond Donors 9.0

H-bond Acceptors 8.0

Rotatable Bonds 19.0

Heavy Atoms 49.0

Ring Count 2.0

Amide Bonds 5.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0121051 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

Activity20 Rcaf

MethodRelative bitterness (Rcaf)