Peptide Database

Peptide NameCaerulein precursor fragment R1

Function Ontology

Antimicrobial

Immunology ▸ Innate immune defense ▸ Host defense peptide ▸ Defense peptide

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

Standard StatusStandard

Sequence Length27 amino acids

Chemical FormulaC120H197N33O32

DescriptionStandard

        GFGSFLGKALKAGLKLGANLLGGAPQQ
    

Molecular Weight2614.05 Da

Isoelectric Point (pI)10.30

Net Charge (pH 7.0)2.76

Net Charge (pH 7.4) 2.55

Charge Density (pH 7.0) 0.1021

GRAVY Index0.30

Hydrophobic Moment 0.61

Boman Index0.28

Instability Index16.73

Aliphatic Index 101.48

Aromaticity 0.0741

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 1038.69

LogP -10.44

H-bond Donors 34.0

H-bond Acceptors 35.0

Rotatable Bonds 89.0

Heavy Atoms 185.0

Ring Count 3.0

Amide Bonds 29.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0133388 VERIFIED: NO

Provenance & Taxonomy

OrganismXenopus ruwenzoriensis [Animal]

FamilyGastrin cholecystokinin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Amphibian defense peptide Antimicrobial Non-hemolytic Non-ribosomal

MethodQualitative functional evidence

RECORD: Rec_0145882 VERIFIED: NO