Peptide Database

Peptide NameProtamine P4

Function Ontology

Binding / Molecular interaction ▸ Binding activity

Standard StatusStandard

Sequence Length28 amino acids

Chemical FormulaC135H258N84O30

DescriptionStandard

        RRRRRRRGHRGRRGRGGRRSRGRRRRAA
    

Molecular Weight3538.04 Da

Isoelectric Point (pI)12.00

Net Charge (pH 7.0)17.85

Net Charge (pH 7.4) 17.59

Charge Density (pH 7.0) 0.6374

GRAVY Index-2.99

Hydrophobic Moment 0.43

Boman Index-1.50

Instability Index246.49

Aliphatic Index 7.14

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 2012.13

LogP -30.99

H-bond Donors 85.0

H-bond Acceptors 49.0

Rotatable Bonds 130.0

Heavy Atoms 249.0

Ring Count 1.0

Amide Bonds 27.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0230717 VERIFIED: NO

Provenance & Taxonomy

OrganismOctopus vulgaris [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

DNA binding