Peptide Database

Peptide NameCrotamine

Function Ontology

Antimicrobial

Toxicity / Safety ▸ Negative safety assay result ▸ Non-hemolytic

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length34 amino acids

Chemical FormulaC175H273N51O44S6

DescriptionStandard

        HCFPKEKICLPPSSDFGKMDCRWRWKCCKKGSGK
    

Molecular Weight3987.75 Da

Isoelectric Point (pI)9.41

Net Charge (pH 7.0)5.80

Net Charge (pH 7.4) 5.46

Charge Density (pH 7.0) 0.1705

GRAVY Index-0.94

Hydrophobic Moment 0.45

Boman Index-0.26

Instability Index74.77

Aliphatic Index 22.94

Aromaticity 0.1176

Extinction Coeff. Reduced 11000.00

Extinction Coeff. Oxidized 11250.00

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

Amino Acid Composition

TPSA 1536.04

LogP -13.58

H-bond Donors 59.0

H-bond Acceptors 57.0

Rotatable Bonds 132.0

Heavy Atoms 276.0

Ring Count 10.0

Amide Bonds 33.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0093323 VERIFIED: YES

Provenance & Taxonomy

OrganismCrotalus durissus [Animal]

FamilyCrotamine

Tax ID8731

Structure & Mods

Configgene-encoded linear polypeptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Toxin Non-hemolytic Non-ribosomal