Peptide Database

Peptide NameCeratotoxin-B

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-positive

Antimicrobial ▸ Antibiotic activity

Toxicity / Safety ▸ Blood cell toxicity ▸ Hemolysis ▸ Hemolytic

Toxicity / Safety ▸ Cytolysis / cell lysis ▸ Cytolytic activity

Toxicity / Safety ▸ Cytotoxicity ▸ Cytotoxic

Standard StatusStandard

Sequence Length29 amino acids

Chemical FormulaC135H235N35O32

DescriptionStandard

        SIGSAFKKALPVAKKIGKAALPIAKAALP
    

Molecular Weight2860.53 Da

Isoelectric Point (pI)10.70

Net Charge (pH 7.0)5.45

Net Charge (pH 7.4) 5.24

Charge Density (pH 7.0) 0.1881

GRAVY Index0.54

Hydrophobic Moment 0.65

Boman Index0.22

Instability Index25.18

Aliphatic Index 118.28

Aromaticity 0.0345

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 0.00

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

Amino Acid Composition

TPSA 1048.33

LogP -7.15

H-bond Donors 35.0

H-bond Acceptors 38.0

Rotatable Bonds 95.0

Heavy Atoms 202.0

Ring Count 4.0

Amide Bonds 28.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0403312 VERIFIED: YES

Provenance & Taxonomy

OrganismCeratitis capitata [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial

TargetGram-negative Escherichia coli. Updated 7/2021

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