Peptide Database

Peptide NameToxin CsTx-2b, Omega-ctenitoxin-Cs1a

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial

Antiparasitic ▸ Antiprotozoal

Antiparasitic ▸ General antiparasitic ▸ Antiparasitic

Standard StatusStandard

Sequence Length60 amino acids

Chemical FormulaC278H442N86O90S9

DescriptionStandard

        SCIPKHEECTNDKHNCCRKGLFKLKCQCSTFDDESGQPTERCACGRPMGHQAIETGLNIF
    

Molecular Weight6717.59 Da

Isoelectric Point (pI)6.76

Net Charge (pH 7.0)-0.35

Net Charge (pH 7.4) -0.84

Charge Density (pH 7.0) -0.0058

GRAVY Index-0.75

Hydrophobic Moment 0.51

Boman Index-0.17

Instability Index59.51

Aliphatic Index 42.33

Aromaticity 0.0500

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 500.00

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

Amino Acid Composition

TPSA 2854.24

LogP -36.08

H-bond Donors 104.0

H-bond Acceptors 102.0

Rotatable Bonds 226.0

Heavy Atoms 463.0

Ring Count 9.0

Amide Bonds 65.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0037668 VERIFIED: YES

Provenance & Taxonomy

OrganismCupiennius salei [Animal]

FamilyDefensin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibacterial Antiparasitic Antiprotozoal

TargetEscherichia coli ATCC 25922

RECORD: Rec_0042815 VERIFIED: YES

Provenance & Taxonomy

OrganismCupiennius salei [Animal]

FamilyDefensin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibacterial Antiparasitic Antiprotozoal

TargetDrosophila melanogaster

Activity66.51

MethodLD50

RECORD: Rec_0107333 VERIFIED: YES

Provenance & Taxonomy

OrganismCupiennius salei [Animal]

FamilyDefensin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibacterial Antiparasitic Antiprotozoal

TargetTrypanosoma brucei brucei MiTat1.2

RECORD: Rec_0159257 VERIFIED: YES

Provenance & Taxonomy

OrganismCupiennius salei [Animal]

FamilyDefensin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibacterial Antiparasitic Antiprotozoal

TargetStaphylococcus aureus ATCC 29213

RECORD: Rec_0193739 VERIFIED: YES

Provenance & Taxonomy

OrganismCupiennius salei [Animal]

FamilyDefensin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibacterial Antiparasitic Antiprotozoal

TargetEscherichia coli SBS 363