Peptide Database

Peptide NameMA (Magainin 2 (9-21) truncated peptide)

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-positive

Standard StatusStandard

Sequence Length13 amino acids

Chemical FormulaC67H108N16O16S

DescriptionStandard

        AKKFGKAFVGEIM
    

Molecular Weight1425.74 Da

Isoelectric Point (pI)9.70

Net Charge (pH 7.0)1.80

Net Charge (pH 7.4) 1.60

Charge Density (pH 7.0) 0.1381

GRAVY Index0.29

Hydrophobic Moment 0.51

Boman Index0.19

Instability Index5.18

Aliphatic Index 67.69

Aromaticity 0.1538

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 527.88

LogP -2.29

H-bond Donors 18.0

H-bond Acceptors 19.0

Rotatable Bonds 50.0

Heavy Atoms 100.0

Ring Count 2.0

Amide Bonds 12.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0291735 VERIFIED: YES

Provenance & Taxonomy

Organismsynthetic construct [Synthetic]

FamilyMagainin

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 epidermidis ATCC 12228

Activity64 μM

MethodMIC

RECORD: Rec_0367441 VERIFIED: YES