Peptide Database

Peptide NameVPYPR

Function Ontology

Membrane / Ion-channel modulation ▸ Calcium channel modulation ▸ Calcium channel inhibitor

Standard StatusStandard

Sequence Length5 amino acids

Chemical FormulaC30H46N8O7

DescriptionStandard

        VPYPR
    

Molecular Weight630.74 Da

Isoelectric Point (pI)8.72

Net Charge (pH 7.0)0.73

Net Charge (pH 7.4) 0.52

Charge Density (pH 7.0) 0.1466

GRAVY Index-0.96

Hydrophobic Moment 0.40

Boman Index-0.19

Instability Index56.12

Aliphatic Index 58.00

Aromaticity 0.2000

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1490.00

The radar chart summarizes major physicochemical dimensions for quick comparison, while exact numerical values remain listed on the left.

Amino Acid Composition

TPSA 244.27

LogP -0.78

H-bond Donors 8.0

H-bond Acceptors 8.0

Rotatable Bonds 14.0

Heavy Atoms 45.0

Ring Count 3.0

Amide Bonds 4.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0041579 VERIFIED: YES

Provenance & Taxonomy

OrganismHolothuroidea [Animal]

Familysea cucumber gonad-derived peptide

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antioxidant SOD activation

TargetABTS at 5 mg/mL; DPPH; SOD

Activity98.0 ± 0.30 %

MethodABTS assay; DPPH radical scavenging assay; SOD activation assay