Peptide Database

Peptide NameCecropin A

Function Ontology

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Standard StatusStandard

Sequence Length22 amino acids

Chemical FormulaC100H175N29O29

DescriptionStandard

        NIRDGVIKAAPAIEVLGQAKAL
    

Molecular Weight2247.64 Da

Isoelectric Point (pI)8.59

Net Charge (pH 7.0)0.76

Net Charge (pH 7.4) 0.55

Charge Density (pH 7.0) 0.0346

GRAVY Index0.45

Hydrophobic Moment 0.42

Boman Index0.17

Instability Index63.14

Aliphatic Index 137.73

Aromaticity 0.0000

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 940.35

LogP -8.01

H-bond Donors 31.0

H-bond Acceptors 30.0

Rotatable Bonds 76.0

Heavy Atoms 158.0

Ring Count 1.0

Amide Bonds 23.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0290331 VERIFIED: YES

Provenance & Taxonomy

OrganismHeliothis virescens [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)