Peptide Database

Peptide NameQS-CATH

Function Ontology

Antimicrobial

Immunology ▸ Immune modulation ▸ Immunomodulatory activity

Standard StatusStandard

Sequence Length38 amino acids

Chemical FormulaC174H290N58O49S2

DescriptionStandard

        ANRKPPCRGIFCRRVGSGSLIGRPAKDSSNNLSPFIAV
    

Molecular Weight4042.65 Da

Isoelectric Point (pI)11.44

Net Charge (pH 7.0)5.78

Net Charge (pH 7.4) 5.55

Charge Density (pH 7.0) 0.1520

GRAVY Index-0.28

Hydrophobic Moment 0.60

Boman Index-0.11

Instability Index56.11

Aliphatic Index 74.47

Aromaticity 0.0526

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 125.00

The radar chart summarizes major physicochemical dimensions for quick comparison, while exact numerical values remain listed on the left.

Amino Acid Composition

TPSA 1734.12

LogP -22.53

H-bond Donors 63.0

H-bond Acceptors 57.0

Rotatable Bonds 130.0

Heavy Atoms 283.0

Ring Count 6.0

Amide Bonds 40.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0293070 VERIFIED: YES

Provenance & Taxonomy

OrganismChinese spiny frogs [Animal]

FamilyCathelicidin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide7-12

Bio-Activity Profile

Function

Antimicrobial Immunomodulatory

TargetEscherichia coli K12

Activity6.25 μg/mL

MethodMIC

RECORD: Rec_0326948 VERIFIED: YES