Peptide Database

Peptide NameS4-(1–20)

Function Ontology

Antimicrobial

Toxicity / Safety ▸ Blood cell toxicity ▸ Hemolysis ▸ Hemolytic

Venom / Toxin ▸ General toxin ▸ Toxic

Standard StatusStandard

Sequence Length20 amino acids

Chemical FormulaC101H176N26O23S

DescriptionStandard

        ALWMTLLKKVLKAAAKAALN
    

Molecular Weight2154.70 Da

Isoelectric Point (pI)10.48

Net Charge (pH 7.0)3.79

Net Charge (pH 7.4) 3.60

Charge Density (pH 7.0) 0.1896

GRAVY Index0.76

Hydrophobic Moment 0.71

Boman Index0.24

Instability Index19.00

Aliphatic Index 142.00

Aromaticity 0.0500

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 799.41

LogP -3.14

H-bond Donors 28.0

H-bond Acceptors 28.0

Rotatable Bonds 74.0

Heavy Atoms 151.0

Ring Count 2.0

Amide Bonds 20.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0329162 VERIFIED: YES

Provenance & Taxonomy

Organismnot reported [other]

FamilyDermaseptin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermNone

C-TermNone

Bio-Activity Profile

Function

Antimicrobial

TargetHuman erythrocytes

Activity5±1 μM

MethodLC50

RECORD: Rec_0393594 VERIFIED: YES