Peptide Database

Peptide NameCecropin B

Function Ontology

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Standard StatusStandard

Sequence Length20 amino acids

Chemical FormulaC99H164N26O25

DescriptionStandard

        RVFKASEKALPVVTGFKALG
    

Molecular Weight2118.52 Da

Isoelectric Point (pI)10.29

Net Charge (pH 7.0)2.76

Net Charge (pH 7.4) 2.55

Charge Density (pH 7.0) 0.1380

GRAVY Index0.38

Hydrophobic Moment 0.65

Boman Index0.13

Instability Index14.87

Aliphatic Index 97.50

Aromaticity 0.1000

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 825.15

LogP -6.13

H-bond Donors 29.0

H-bond Acceptors 28.0

Rotatable Bonds 70.0

Heavy Atoms 150.0

Ring Count 3.0

Amide Bonds 19.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0076634 VERIFIED: YES

Provenance & Taxonomy

OrganismCulex quinquefasciatus [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)