Peptide Database

Peptide NameProtamine

Function Ontology

Delivery / Targeting ▸ Cell penetration ▸ Cell-penetrating peptide

Delivery / Targeting ▸ Drug delivery vehicle

Standard StatusStandard

Sequence Length15 amino acids

Chemical FormulaC78H154N46O17

DescriptionStandard

        VSRRRRRRGGRRRRK
    

Molecular Weight2008.36 Da

Isoelectric Point (pI)12.00

Net Charge (pH 7.0)10.73

Net Charge (pH 7.4) 10.52

Charge Density (pH 7.0) 0.7155

GRAVY Index-3.09

Hydrophobic Moment 0.52

Boman Index-1.66

Instability Index330.23

Aliphatic Index 19.33

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 1135.97

LogP -16.14

H-bond Donors 48.0

H-bond Acceptors 28.0

Rotatable Bonds 75.0

Heavy Atoms 141.0

Ring Count 0.0

Amide Bonds 14.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0018850 VERIFIED: YES

Provenance & Taxonomy

Organismsynthetic construct [Synthetic]

FamilyProtamine

Tax ID32630

Structure & Mods

Configsynthetic linear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermFluorescein/FITC labeling

C-TermNone

Bio-Activity Profile

Function

Cell-penetrating peptide Cargo delivery