Peptide Database

Peptide NameCecropin (Fragment)

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-positive

Toxicity / Safety ▸ Negative safety assay result ▸ Non-hemolytic

Standard StatusStandard

Sequence Length42 amino acids

Chemical FormulaC207H354N62O55

DescriptionStandard

        LEKRKWKLFKKIEKVGQRVRDAVISAGPAVATVAQATALAKN
    

Molecular Weight4591.41 Da

Isoelectric Point (pI)10.71

Net Charge (pH 7.0)6.76

Net Charge (pH 7.4) 6.54

Charge Density (pH 7.0) 0.1609

GRAVY Index-0.21

Hydrophobic Moment 0.85

Boman Index-0.09

Instability Index20.91

Aliphatic Index 100.00

Aromaticity 0.0476

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 1933.12

LogP -17.26

H-bond Donors 68.0

H-bond Acceptors 62.0

Rotatable Bonds 160.0

Heavy Atoms 324.0

Ring Count 4.0

Amide Bonds 44.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0097321 VERIFIED: NO

Provenance & Taxonomy

OrganismHyalophora cecropia [Animal]

FamilyCecropin

Structure & Mods

ConfigSingle-chain peptide backbone represented as a linear sequence entry [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial

RECORD: Rec_0163764 VERIFIED: YES

Provenance & Taxonomy

OrganismHyalophora cecropia [Animal]

FamilyCecropin

Tax ID7123

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Anti-Gram-negative Anti-Gram-positive Non-hemolytic Non-ribosomal

TargetGram-negative bacteria, Gram-positive bacteria