Peptide Database

Peptide NameMelittin [L9,13A]

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial

Toxicity / Safety ▸ Blood cell toxicity ▸ Hemolysis ▸ Hemolytic

Standard StatusStandard

Sequence Length26 amino acids

Chemical FormulaC125H216N38O32

DescriptionStandard

        GIGAVLKVATTGAPALISWIKRKRQQ
    

Molecular Weight2763.29 Da

Isoelectric Point (pI)12.00

Net Charge (pH 7.0)4.76

Net Charge (pH 7.4) 4.55

Charge Density (pH 7.0) 0.1830

GRAVY Index0.12

Hydrophobic Moment 0.53

Boman Index0.07

Instability Index41.47

Aliphatic Index 112.69

Aromaticity 0.0385

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 1146.55

LogP -10.54

H-bond Donors 41.0

H-bond Acceptors 37.0

Rotatable Bonds 93.0

Heavy Atoms 195.0

Ring Count 3.0

Amide Bonds 27.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0010310 VERIFIED: YES

Provenance & Taxonomy

Organismsynthetic construct [Synthetic]

FamilyMelittin

Tax ID32630

Structure & Mods

Configsynthetic linear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibacterial

TargetEscherichia coli DH5alpha

Activity4.3

MethodMIC

RECORD: Rec_0165406 VERIFIED: YES

Provenance & Taxonomy

Organismsynthetic construct [Synthetic]

FamilyMelittin

Tax ID32630

Structure & Mods

Configsynthetic linear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibacterial

TargetStaphylococcus aureus ATCC 9144

Activity20 μM

MethodMIC

RECORD: Rec_0180658 VERIFIED: YES

Provenance & Taxonomy

Organismsynthetic construct [Synthetic]

FamilyMelittin

Tax ID32630

Structure & Mods

Configsynthetic linear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibacterial

TargetEscherichia coli ATCC 10536

Activity4.5

MethodMIC

RECORD: Rec_0267807 VERIFIED: YES

Provenance & Taxonomy

Organismsynthetic construct [Synthetic]

FamilyMelittin

Tax ID32630

Structure & Mods

Configsynthetic linear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibacterial

TargetBacillus subtilis ATCC 6633

Activity20 μM

MethodMIC

RECORD: Rec_0418383 VERIFIED: YES

Provenance & Taxonomy

Organismsynthetic construct [Synthetic]

FamilyMelittin

Tax ID32630

Structure & Mods

Configsynthetic linear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hemolytic

TargetHuman erythrocytes

Activity7.5 μM

MethodHemolysis