Peptide Database

Peptide NameUnnamed

Function Ontology

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

Standard StatusStandard

Sequence Length6 amino acids

Chemical FormulaC27H42N6O13

DescriptionStandard

        SPPTEE
    

Molecular Weight658.65 Da

Isoelectric Point (pI)4.24

Net Charge (pH 7.0)-2.53

Net Charge (pH 7.4) -2.74

Charge Density (pH 7.0) -0.4215

GRAVY Index-1.95

Hydrophobic Moment 0.15

Boman Index-0.24

Instability Index200.10

Aliphatic Index 0.00

Aromaticity 0.0000

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 306.30

LogP -4.06

H-bond Donors 9.0

H-bond Acceptors 11.0

Rotatable Bonds 17.0

Heavy Atoms 46.0

Ring Count 2.0

Amide Bonds 5.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0323408 VERIFIED: YES

Provenance & Taxonomy

OrganismGlycine max [Plant]

FamilySoy-derived peptide

Tax ID3847

Structure & Mods

Configlinear contiguous peptide sequence [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Umami

TargetT1R1/T1R3 receptor / molecular dynamics + sensory assay

Activity85 μg/mL

MethodTaste threshold