Peptide Database

Peptide NameMyotoxin-3 (Crotamine-3)

Function Ontology

Antimicrobial

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length42 amino acids

Chemical FormulaC206H328N64O51S7

DescriptionStandard

        YKRCHIKGGHCFPKGKICIPPSSDFGKMDCPWRRKCCKKGSG
    

Molecular Weight4741.66 Da

Isoelectric Point (pI)9.70

Net Charge (pH 7.0)8.87

Net Charge (pH 7.4) 8.46

Charge Density (pH 7.0) 0.2112

GRAVY Index-0.85

Hydrophobic Moment 0.48

Boman Index-0.22

Instability Index65.70

Aliphatic Index 27.86

Aromaticity 0.0952

Extinction Coeff. Reduced 6990.00

Extinction Coeff. Oxidized 7365.00

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

Amino Acid Composition

TPSA 1843.79

LogP -18.60

H-bond Donors 71.0

H-bond Acceptors 69.0

Rotatable Bonds 157.0

Heavy Atoms 328.0

Ring Count 11.0

Amide Bonds 41.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0029012 VERIFIED: YES

Provenance & Taxonomy

OrganismCrotalus durissus [Animal]

Structure & Mods

Configtopology not specified [Not included yet]

Chiralitystereochemistry not specified [Other]

Bio-Activity Profile

Function

Antimicrobial Toxin

RECORD: Rec_0153380 VERIFIED: NO

Provenance & Taxonomy

OrganismCrotalus durissus terrificus [Animal]

Structure & Mods

Configdisulfide-constrained cyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide4-36; 11-30; 18-37

Bio-Activity Profile

Function

Toxin

RECORD: Rec_0386684 VERIFIED: NO

Provenance & Taxonomy

OrganismCrotalus durissus terrificus [Animal]

Structure & Mods

ConfigSingle-chain peptide backbone represented as a linear sequence entry [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial