Peptide Database

Peptide NameUnnamed

Function Ontology

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

Standard StatusStandard

Sequence Length12 amino acids

Chemical FormulaC87H113N21O13

DescriptionStandard

        RPFFRPFFRPFF
    

Molecular Weight1660.96 Da

Isoelectric Point (pI)12.00

Net Charge (pH 7.0)2.76

Net Charge (pH 7.4) 2.56

Charge Density (pH 7.0) 0.2300

GRAVY Index-0.12

Hydrophobic Moment 0.85

Boman Index-0.01

Instability Index105.47

Aliphatic Index 0.00

Aromaticity 0.5000

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 542.75

LogP 0.50

H-bond Donors 19.0

H-bond Acceptors 16.0

Rotatable Bonds 44.0

Heavy Atoms 121.0

Ring Count 9.0

Amide Bonds 11.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0376003 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

Activity100 Rcaf

MethodRelative bitterness (Rcaf)