Peptide Database

Peptide NameCecropin (1-7)+Melittin (2-12), CM18

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial

Standard StatusStandard

Sequence Length18 amino acids

Chemical FormulaC99H168N24O21

DescriptionStandard

        KWKLFKKIGAVLKVLTTG
    

Molecular Weight2030.54 Da

Isoelectric Point (pI)10.60

Net Charge (pH 7.0)4.76

Net Charge (pH 7.4) 4.54

Charge Density (pH 7.0) 0.2642

GRAVY Index0.35

Hydrophobic Moment 0.69

Boman Index0.15

Instability Index-27.21

Aliphatic Index 124.44

Aromaticity 0.1111

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 744.37

LogP -2.21

H-bond Donors 27.0

H-bond Acceptors 26.0

Rotatable Bonds 71.0

Heavy Atoms 144.0

Ring Count 3.0

Amide Bonds 17.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0248017 VERIFIED: YES

Provenance & Taxonomy

Organismsynthetic construct [Synthetic]

FamilyMelittin

Tax ID32630

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibacterial

TargetStaphylococcus aureus ATCC 33591

Activity0.5 μM

MethodMBC

RECORD: Rec_0309681 VERIFIED: YES