Peptide Database

Peptide NameCecropin A

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial

Standard StatusStandard

Sequence Length36 amino acids

Chemical FormulaC179H295N51O46

DescriptionStandard

        RWKFFKKIEKVGQNIRDGIIKAGPAVAVVGQAASIT
    

Molecular Weight3897.57 Da

Isoelectric Point (pI)10.56

Net Charge (pH 7.0)4.76

Net Charge (pH 7.4) 4.55

Charge Density (pH 7.0) 0.1322

GRAVY Index0.06

Hydrophobic Moment 0.80

Boman Index0.07

Instability Index37.07

Aliphatic Index 100.28

Aromaticity 0.0833

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 1587.05

LogP -13.15

H-bond Donors 55.0

H-bond Acceptors 51.0

Rotatable Bonds 133.0

Heavy Atoms 276.0

Ring Count 5.0

Amide Bonds 38.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0031307 VERIFIED: NO

Provenance & Taxonomy

OrganismTrichoplusia ni [Animal]

FamilyCecropin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Antimicrobial Antibacterial Lytic

RECORD: Rec_0301016 VERIFIED: YES

Provenance & Taxonomy

OrganismTrichoplusia ni [Animal]

FamilyCecropin

Structure & Mods

Configtopology not specified [Not included yet]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibacterial

RECORD: Rec_0346007 VERIFIED: YES

Provenance & Taxonomy

Organismnot reported [other]

Structure & Mods

Configlinear peptide; DSSP H 83.3%, E 0.0%, T 2.8%, C 13.9% [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermNone

C-TermNone

Bio-Activity Profile

Function

Antimicrobial