Peptide Database

Peptide NameMarcin-18

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-positive

Standard StatusStandard

Sequence Length18 amino acids

Chemical FormulaC107H163N25O21

DescriptionStandard

        FFGHLFKLATKIIPSLFR
    

Molecular Weight2135.59 Da

Isoelectric Point (pI)11.17

Net Charge (pH 7.0)2.85

Net Charge (pH 7.4) 2.59

Charge Density (pH 7.0) 0.1581

GRAVY Index0.80

Hydrophobic Moment 0.67

Boman Index0.32

Instability Index0.76

Aliphatic Index 113.89

Aromaticity 0.2222

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 732.31

LogP -1.14

H-bond Donors 26.0

H-bond Acceptors 25.0

Rotatable Bonds 68.0

Heavy Atoms 153.0

Ring Count 6.0

Amide Bonds 17.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0373955 VERIFIED: YES

Provenance & Taxonomy

OrganismMesobuthus martensii [Animal]

Tax ID34649

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

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

TargetStaphylococcus epidermidis AB208187

Activity2.9 μM

MethodMIC

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