Peptide Database

Peptide NameCecropin A

Function Ontology

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Standard StatusStandard

Sequence Length30 amino acids

Chemical FormulaC155H262N46O38S

DescriptionStandard

        RWKVFKKIEKMGRNIRDGIIKAGPAVEVLG
    

Molecular Weight3410.09 Da

Isoelectric Point (pI)10.55

Net Charge (pH 7.0)4.76

Net Charge (pH 7.4) 4.55

Charge Density (pH 7.0) 0.1587

GRAVY Index-0.28

Hydrophobic Moment 0.89

Boman Index-0.08

Instability Index63.12

Aliphatic Index 100.67

Aromaticity 0.0667

Extinction Coeff. Reduced 5500.00

Extinction Coeff. Oxidized 5500.00

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

Amino Acid Composition

TPSA 1385.01

LogP -9.04

H-bond Donors 49.0

H-bond Acceptors 44.0

Rotatable Bonds 120.0

Heavy Atoms 240.0

Ring Count 4.0

Amide Bonds 30.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0012871 VERIFIED: YES

Provenance & Taxonomy

OrganismSpodoptera exigua [Animal]

FamilyCecropin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

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TargetEscherichia coli TOP10

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