Peptide Database

Peptide NameA4-W1

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 Length19 amino acids

Chemical FormulaC117H208N36O20

DescriptionStandard

        IGKKWKRIVKRIKKFLRKL
    

Molecular Weight2439.13 Da

Isoelectric Point (pI)12.00

Net Charge (pH 7.0)9.75

Net Charge (pH 7.4) 9.54

Charge Density (pH 7.0) 0.5133

GRAVY Index-0.74

Hydrophobic Moment 1.07

Boman Index-0.44

Instability Index34.54

Aliphatic Index 117.89

Aromaticity 0.1053

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 970.75

LogP -2.70

H-bond Donors 37.0

H-bond Acceptors 30.0

Rotatable Bonds 92.0

Heavy Atoms 173.0

Ring Count 3.0

Amide Bonds 18.0

3D PDB MODEL

Drag to rotate. Click a residue or atom to inspect it; the selected residue is highlighted in amber in the current view mode. Use the buttons to zoom.

2D CHEMICAL STRUCTURE

Drag to move

Drag to move. Use the buttons to zoom.

RECORD: Rec_0356635 VERIFIED: YES

Provenance & Taxonomy

OrganismSynthetic construct [Synthetic]

Tax ID32630

Structure & Mods

Configtopology not specified [Not included yet]

Chiralitystereochemistry not specified [Other]

Bio-Activity Profile

Function

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

TargetEscherichia coli (KCTC 1682)

Activity4 μM

MethodMIC

PaperProkaryotic selectivity and LPS-neutralizing activity of short antimicrobial peptides designed from the human antimicrobial peptide LL-37. Peptides. 2012 Jun;35(2):239-247. doi: 10.1016/j.peptides.2012.04.004. PMID: 22521196. PMID22521196 Evidence URLhttps://pubmed.ncbi.nlm.nih.gov/22521196/

RECORD: Rec_0425385 VERIFIED: YES