Peptide Database

Peptide NamePeptide 4 (Mollusca/molluscs/mollusks, invertebrates, animals)

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-positive

Standard StatusStandard

Sequence Length16 amino acids

Chemical FormulaC81H131N19O26S2

DescriptionStandard

        SLPPTLEEEFNMKKMG
    

Molecular Weight1851.15 Da

Isoelectric Point (pI)4.78

Net Charge (pH 7.0)-1.53

Net Charge (pH 7.4) -1.75

Charge Density (pH 7.0) -0.0958

GRAVY Index-0.79

Hydrophobic Moment 0.36

Boman Index-0.06

Instability Index94.58

Aliphatic Index 48.75

Aromaticity 0.0625

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 729.73

LogP -5.74

H-bond Donors 23.0

H-bond Acceptors 27.0

Rotatable Bonds 62.0

Heavy Atoms 128.0

Ring Count 3.0

Amide Bonds 16.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0226134 VERIFIED: YES

Provenance & Taxonomy

OrganismMarine snail [Animal]

Structure & Mods

Configtopology not specified [Not included yet]

Chiralitystereochemistry not specified [Other]

Bio-Activity Profile

Function

Antimicrobial Antibacterial Anti-Gram-positive Anti-Gram-negative

TargetGram-negative bacterium: Klebsiella pneumoniae

RECORD: Rec_0326552 VERIFIED: NO

Provenance & Taxonomy

OrganismRapana venosa [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibacterial

TargetKlebsiella pneumoniae, Gram positive bacterium, Staphylococcus aureus

RECORD: Rec_0333232 VERIFIED: YES

Provenance & Taxonomy

OrganismMarine snail [Animal]

Structure & Mods

Configtopology not specified [Not included yet]

Chiralitystereochemistry not specified [Other]

Bio-Activity Profile

Function

Antimicrobial Antibacterial Anti-Gram-positive Anti-Gram-negative

TargetGram-positive bacterium: Staphylococcus aureus

RECORD: Rec_0390950 VERIFIED: YES

Provenance & Taxonomy

OrganismMarine snail [Animal]

Structure & Mods

Configtopology not specified [Not included yet]

Chiralitystereochemistry not specified [Other]

Bio-Activity Profile

Function

Antimicrobial Antibacterial Anti-Gram-positive Anti-Gram-negative

RECORD: Rec_0400262 VERIFIED: YES

Provenance & Taxonomy

OrganismRapana venosa [Animal]

FamilyDefensin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibacterial Anti-Gram-negative

TargetKlebsiella pneumoniae