Peptide Database

Peptide NameCecropin

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial

Immunology ▸ Innate immune defense ▸ Host defense peptide ▸ Host defense activity

Standard StatusStandard

Sequence Length40 amino acids

Chemical FormulaC193H328N58O49

DescriptionStandard

        SPRWKIFKKIEKVGRNVRDGIIKAGPAVAVVGQAATVVKG
    

Molecular Weight4245.03 Da

Isoelectric Point (pI)11.17

Net Charge (pH 7.0)6.46

Net Charge (pH 7.4) 6.24

Charge Density (pH 7.0) 0.1615

GRAVY Index0.02

Hydrophobic Moment 0.93

Boman Index0.02

Instability Index30.60

Aliphatic Index 102.25

Aromaticity 0.0500

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 1739.49

LogP -15.27

H-bond Donors 61.0

H-bond Acceptors 56.0

Rotatable Bonds 144.0

Heavy Atoms 300.0

Ring Count 5.0

Amide Bonds 41.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0404019 VERIFIED: YES

Provenance & Taxonomy

OrganismPapilio xuthus [Animal]

Familycecropin family

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial cecropin family Antibacterial Host defense