Peptide Database

Peptide NameProtamine 2a

Function Ontology

Binding / Molecular interaction ▸ Binding activity

Standard StatusStandard

Sequence Length32 amino acids

Chemical FormulaC165H317N95O37

DescriptionStandard

        PRRRRSSSRPVRRRRRARVSRRRRRRGGRRRR
    

Molecular Weight4223.90 Da

Isoelectric Point (pI)12.00

Net Charge (pH 7.0)20.96

Net Charge (pH 7.4) 20.90

Charge Density (pH 7.0) 0.6549

GRAVY Index-2.86

Hydrophobic Moment 0.56

Boman Index-1.56

Instability Index326.88

Aliphatic Index 21.25

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 2323.46

LogP -34.55

H-bond Donors 99.0

H-bond Acceptors 58.0

Rotatable Bonds 152.0

Heavy Atoms 297.0

Ring Count 2.0

Amide Bonds 31.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0403686 VERIFIED: NO

Provenance & Taxonomy

OrganismOncorhynchus mykiss,Salmo gairdneri irideus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

DNA-binding