Peptide Database

Peptide NameUnnamed

Function Ontology

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

Standard StatusStandard

Sequence Length14 amino acids

Chemical FormulaC76H118N20O15

DescriptionStandard

        RGPPFIVRGPPFIV
    

Molecular Weight1551.87 Da

Isoelectric Point (pI)12.00

Net Charge (pH 7.0)1.76

Net Charge (pH 7.4) 1.56

Charge Density (pH 7.0) 0.1257

GRAVY Index0.49

Hydrophobic Moment 0.56

Boman Index0.26

Instability Index40.06

Aliphatic Index 97.14

Aromaticity 0.1429

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 530.26

LogP -1.60

H-bond Donors 17.0

H-bond Acceptors 17.0

Rotatable Bonds 41.0

Heavy Atoms 111.0

Ring Count 6.0

Amide Bonds 13.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0396062 VERIFIED: YES

Provenance & Taxonomy

Organismsynthetic construct [Synthetic]

FamilyModel sensory peptide

Tax ID32630

Structure & Mods

Configlinear contiguous peptide sequence [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Bitter

Activity25 Rcaf

MethodRelative bitterness (Rcaf)