Peptide Database

Peptide NameAT-AG

Function Ontology

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

Standard StatusStandard

Sequence Length24 amino acids

Chemical FormulaC86H137N29O30

DescriptionStandard

        ATGPQGPAGQRGPAGPTGPTGPAG
    

Molecular Weight2057.18 Da

Isoelectric Point (pI)9.79

Net Charge (pH 7.0)0.80

Net Charge (pH 7.4) 0.61

Charge Density (pH 7.0) 0.0332

GRAVY Index-0.80

Hydrophobic Moment 0.25

Boman Index0.11

Instability Index27.53

Aliphatic Index 16.67

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 888.65

LogP -16.35

H-bond Donors 27.0

H-bond Acceptors 31.0

Rotatable Bonds 54.0

Heavy Atoms 145.0

Ring Count 6.0

Amide Bonds 25.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0334431 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

Activity88.5 ± 0.32 %

MethodABTS assay; DPPH radical scavenging assay; SOD activation assay