Peptide Database

Peptide NameCasein [unidentified fragment] I

Function Ontology

Sensory / Food function ▸ Taste-active peptide

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

Standard StatusStandard

Sequence Length7 amino acids

Chemical FormulaC38H60N10O8

DescriptionStandard

        RGPPFIV
    

Molecular Weight784.95 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) 0.1086

GRAVY Index0.49

Hydrophobic Moment 0.50

Boman Index0.26

Instability Index39.34

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 282.24

LogP -0.84

H-bond Donors 9.0

H-bond Acceptors 9.0

Rotatable Bonds 20.0

Heavy Atoms 56.0

Ring Count 3.0

Amide Bonds 6.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0191453 VERIFIED: NO

Provenance & Taxonomy

OrganismBos taurus [Animal]

FamilyCasein-derived peptide

Tax ID9913

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Taste

RECORD: Rec_0216065 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

Activity20 Rcaf

MethodRelative bitterness (Rcaf)