Peptide Database

Peptide NameCecropin 28

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Standard StatusStandard

Sequence Length37 amino acids

Chemical FormulaC186H317N55O47

DescriptionStandard

        RWKIFKKIEKVGRNVRDGIIKAGPAVAVVEQAATVVK
    

Molecular Weight4075.85 Da

Isoelectric Point (pI)10.64

Net Charge (pH 7.0)5.76

Net Charge (pH 7.4) 5.54

Charge Density (pH 7.0) 0.1557

GRAVY Index0.01

Hydrophobic Moment 0.93

Boman Index-0.02

Instability Index32.22

Aliphatic Index 110.54

Aromaticity 0.0541

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 1678.05

LogP -12.62

H-bond Donors 59.0

H-bond Acceptors 53.0

Rotatable Bonds 141.0

Heavy Atoms 288.0

Ring Count 4.0

Amide Bonds 38.0

3D PDB MODEL

Drag to rotate. Click a residue or atom to inspect it; the selected residue is highlighted in amber in the current view mode. Use the buttons to zoom.

2D CHEMICAL STRUCTURE

Drag to move

Drag to move. Use the buttons to zoom.

RECORD: Rec_0035471 VERIFIED: NO

Provenance & Taxonomy

OrganismPapilio xuthus [Animal]

FamilyCecropin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Antimicrobial

RECORD: Rec_0162813 VERIFIED: YES