Peptide Database

Peptide NameCecropin Px (5-34)

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial

Standard StatusStandard

Sequence Length30 amino acids

Chemical FormulaC146H253N43O39

DescriptionStandard

        KIFKKIEKVGRNVRDGIIKAGPAVAVVEQA
    

Molecular Weight3234.84 Da

Isoelectric Point (pI)10.17

Net Charge (pH 7.0)3.76

Net Charge (pH 7.4) 3.55

Charge Density (pH 7.0) 0.1254

GRAVY Index0.01

Hydrophobic Moment 0.93

Boman Index-0.01

Instability Index19.28

Aliphatic Index 113.67

Aromaticity 0.0333

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 1350.41

LogP -10.84

H-bond Donors 46.0

H-bond Acceptors 43.0

Rotatable Bonds 114.0

Heavy Atoms 228.0

Ring Count 2.0

Amide Bonds 31.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0250089 VERIFIED: YES

Provenance & Taxonomy

Organismsynthetic construct [Synthetic]

FamilyCecropin

Tax ID32630

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibacterial

TargetEscherichia coli ATCC 25922

Activity6.25-12.5 μM

MethodIC50

RECORD: Rec_0322686 VERIFIED: YES