Peptide Database

Peptide NameProtamine A

Function Ontology

Binding / Molecular interaction ▸ Binding activity

Standard StatusStandard

Sequence Length27 amino acids

Chemical FormulaC144H268N74O31

DescriptionStandard

        ARRRRRHASTKLKRRRRRRRHGKKSHK
    

Molecular Weight3532.15 Da

Isoelectric Point (pI)12.00

Net Charge (pH 7.0)17.05

Net Charge (pH 7.4) 16.70

Charge Density (pH 7.0) 0.6316

GRAVY Index-2.90

Hydrophobic Moment 0.45

Boman Index-1.36

Instability Index243.61

Aliphatic Index 21.85

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 1839.55

LogP -24.21

H-bond Donors 75.0

H-bond Acceptors 51.0

Rotatable Bonds 132.0

Heavy Atoms 249.0

Ring Count 3.0

Amide Bonds 26.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0335680 VERIFIED: NO

Provenance & Taxonomy

OrganismAcipenser stellatus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

DNA binding