Peptide Database

Peptide NameMyotoxin-1 (Crotamine-1)

Function Ontology

Antimicrobial

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length42 amino acids

Chemical FormulaC209H332N64O53S7

DescriptionStandard

        YKRCHIKGGHCFPKEKICIPPSSDFGKMDCPWRRKCCKKGSG
    

Molecular Weight4813.72 Da

Isoelectric Point (pI)9.54

Net Charge (pH 7.0)7.87

Net Charge (pH 7.4) 7.46

Charge Density (pH 7.0) 0.1874

GRAVY Index-0.92

Hydrophobic Moment 0.48

Boman Index-0.25

Instability Index69.74

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 1881.09

LogP -18.37

H-bond Donors 72.0

H-bond Acceptors 70.0

Rotatable Bonds 160.0

Heavy Atoms 333.0

Ring Count 11.0

Amide Bonds 41.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0083168 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

RECORD: Rec_0144958 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_0245767 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