Peptide Database

Peptide NameUnnamed

Function Ontology

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

Standard StatusStandard

Sequence Length6 amino acids

Chemical FormulaC33H52N12O7

DescriptionStandard

        RRPPGF
    

Molecular Weight728.84 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) 0.2933

GRAVY Index-1.63

Hydrophobic Moment 0.52

Boman Index-0.53

Instability Index168.00

Aliphatic Index 0.00

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 315.04

LogP -2.76

H-bond Donors 11.0

H-bond Acceptors 9.0

Rotatable Bonds 19.0

Heavy Atoms 52.0

Ring Count 3.0

Amide Bonds 5.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0172619 VERIFIED: YES

Provenance & Taxonomy

Organismnot reported [other]

FamilySensory peptide

Structure & Mods

Configlinear contiguous peptide sequence [Linear]

ChiralityTitle explicitly reports D-phenylalanine substitution within the peptide [Mixed]

Other ModsD-phenylalanine substitution

Bio-Activity Profile

Function

Bitter

Activity25 Rcaf

MethodRelative bitterness (Rcaf)