Peptide Database

Peptide NameSTPk

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-positive

Toxicity / Safety ▸ Blood cell toxicity ▸ Hemolysis ▸ Hemolytic

Standard StatusStandard

Sequence Length11 amino acids

Chemical FormulaC87H122N20O12

DescriptionStandard

        KKFKWWWKFKK
    

Molecular Weight1640.03 Da

Isoelectric Point (pI)10.70

Net Charge (pH 7.0)5.75

Net Charge (pH 7.4) 5.54

Charge Density (pH 7.0) 0.5231

GRAVY Index-1.86

Hydrophobic Moment 0.41

Boman Index-0.38

Instability Index-18.24

Aliphatic Index 0.00

Aromaticity 0.4545

Extinction Coeff. Reduced 16500.00

Extinction Coeff. Oxidized 16500.00

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

Amino Acid Composition

TPSA 557.81

LogP 2.68

H-bond Donors 21.0

H-bond Acceptors 18.0

Rotatable Bonds 55.0

Heavy Atoms 119.0

Ring Count 8.0

Amide Bonds 10.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0395204 VERIFIED: YES

Provenance & Taxonomy

OrganismSynthetic construct [Synthetic]

Tax ID32630

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermNone

C-TermAmidation

Other ModsThe 'k' in sequence is lysine peptoid residue [NH2-(CH2)4-NH-CH2-COOH]

Bio-Activity Profile

Function

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

TargetPseudomonas aeruginosa(KCTC 1637)

Activity2 μM

MethodMIC

RECORD: Rec_0415266 VERIFIED: YES