Peptide Database

Peptide NameK4-S4(1-13)

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-positive

Toxicity / Safety ▸ Blood cell toxicity ▸ Hemolysis ▸ Hemolytic

Standard StatusStandard

Sequence Length12 amino acids

Chemical FormulaC71H125N17O14

DescriptionStandard

        ALWKTLLKKVLK
    

Molecular Weight1440.86 Da

Isoelectric Point (pI)10.48

Net Charge (pH 7.0)3.79

Net Charge (pH 7.4) 3.60

Charge Density (pH 7.0) 0.3160

GRAVY Index0.33

Hydrophobic Moment 0.64

Boman Index0.06

Instability Index7.67

Aliphatic Index 162.50

Aromaticity 0.0833

Extinction Coeff. Reduced 5500.00

Extinction Coeff. Oxidized 5500.00

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

Amino Acid Composition

TPSA 523.52

LogP 0.21

H-bond Donors 19.0

H-bond Acceptors 18.0

Rotatable Bonds 51.0

Heavy Atoms 102.0

Ring Count 2.0

Amide Bonds 11.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0023249 VERIFIED: YES

Provenance & Taxonomy

Organismsynthetic construct [Synthetic]

FamilyDermaseptin

Tax ID32630

Structure & Mods

Configsynthetic linear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hemolytic

TargetHuman RBC

Activity200 μM

MethodHemolysis

RECORD: Rec_0094065 VERIFIED: YES

Provenance & Taxonomy

Organismsynthetic construct [Synthetic]

FamilyDermaseptin

Tax ID32630

Structure & Mods

Configsynthetic linear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibacterial Anti-Gram-positive Anti-Gram-negative

TargetPseudomonas aeruginosa

RECORD: Rec_0165271 VERIFIED: YES

Provenance & Taxonomy

Organismsynthetic construct [Synthetic]

FamilyDermaseptin

Tax ID32630

Structure & Mods

Configsynthetic linear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibacterial Anti-Gram-positive Anti-Gram-negative

TargetEscherichia coli

RECORD: Rec_0198773 VERIFIED: YES

Provenance & Taxonomy

Organismsynthetic construct [Synthetic]

FamilyDermaseptin

Tax ID32630

Structure & Mods

Configsynthetic linear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibacterial Anti-Gram-positive Anti-Gram-negative

TargetStaphylococcus aureus