Peptide Database

Peptide NameProtamine St1

Function Ontology

Binding / Molecular interaction ▸ Binding activity

Standard StatusStandard

Sequence Length49 amino acids

Chemical FormulaC256H473N133O60S7

DescriptionStandard

        ARYRCCRSQSQSRCRRRRRRRCRRRRRRSVRQRRVCCRRYTVLRCRRRR
    

Molecular Weight6598.81 Da

Isoelectric Point (pI)12.00

Net Charge (pH 7.0)26.72

Net Charge (pH 7.4) 26.43

Charge Density (pH 7.0) 0.5454

GRAVY Index-2.10

Hydrophobic Moment 0.62

Boman Index-1.31

Instability Index244.09

Aliphatic Index 27.76

Aromaticity 0.0408

Extinction Coeff. Reduced 2980.00

Extinction Coeff. Oxidized 3355.00

The radar chart summarizes major physicochemical dimensions for quick comparison, while exact numerical values remain listed on the left.

Amino Acid Composition

TPSA 3402.30

LogP -47.64

H-bond Donors 148.0

H-bond Acceptors 94.0

Rotatable Bonds 235.0

Heavy Atoms 456.0

Ring Count 2.0

Amide Bonds 51.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0076202 VERIFIED: NO

Provenance & Taxonomy

OrganismEquus caballus [Animal]

Tax ID9796

Structure & Mods

Configlinear disulfide-stabilized peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide6-14, 37-45

Bio-Activity Profile

Function

DNA-binding