Peptide Database

Peptide NameCecropin P4

Function Ontology

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Standard StatusStandard

Sequence Length22 amino acids

Chemical FormulaC115H193N33O34

DescriptionStandard

        SWLSKKYKKLENSAKKRISEGT
    

Molecular Weight2581.96 Da

Isoelectric Point (pI)10.12

Net Charge (pH 7.0)4.46

Net Charge (pH 7.4) 4.24

Charge Density (pH 7.0) 0.2027

GRAVY Index-1.41

Hydrophobic Moment 0.52

Boman Index-0.40

Instability Index31.01

Aliphatic Index 57.73

Aromaticity 0.0909

Extinction Coeff. Reduced 6990.00

Extinction Coeff. Oxidized 6990.00

The radar chart summarizes major physicochemical dimensions for quick comparison, while exact numerical values remain listed on the left.

Amino Acid Composition

TPSA 1147.30

LogP -11.97

H-bond Donors 42.0

H-bond Acceptors 39.0

Rotatable Bonds 94.0

Heavy Atoms 182.0

Ring Count 3.0

Amide Bonds 22.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0204854 VERIFIED: YES

Provenance & Taxonomy

OrganismParascaris equorum [Animal]

FamilyCecropin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

-

TargetEscherichia coli TOP10

MethodMex pooled growth assay (OD_ID at 4.5 h; Wald adjusted p-value)