Peptide Database

Peptide NamePenaeidin-4d

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-positive

Antimicrobial ▸ Antifungal

Immunology ▸ Innate immune defense ▸ Host defense peptide ▸ Host defense activity

Standard StatusStandard

Sequence Length47 amino acids

Chemical FormulaC231H362N70O62S6

DescriptionStandard

        HSSGYTRPLRKPSRPIFIRPIGCDVCYGIPSSTARLCCFRYGDCCHL
    

Molecular Weight5304.17 Da

Isoelectric Point (pI)9.15

Net Charge (pH 7.0)4.87

Net Charge (pH 7.4) 4.47

Charge Density (pH 7.0) 0.1037

GRAVY Index-0.15

Hydrophobic Moment 0.90

Boman Index-0.05

Instability Index44.85

Aliphatic Index 66.38

Aromaticity 0.1064

Extinction Coeff. Reduced 4470.00

Extinction Coeff. Oxidized 4845.00

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

Amino Acid Composition

TPSA 2089.65

LogP -22.02

H-bond Donors 82.0

H-bond Acceptors 75.0

Rotatable Bonds 162.0

Heavy Atoms 369.0

Ring Count 12.0

Amide Bonds 46.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0415479 VERIFIED: NO

Provenance & Taxonomy

OrganismLitopenaeus setiferus [Animal]

Structure & Mods

Configdisulfide-constrained cyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Disulfide23-37; 26-44; 38-45

Bio-Activity Profile

Function

Antimicrobial Antibacterial Antifungal

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