Peptide Database

Peptide NameSD-4

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-positive

Standard StatusStandard

Sequence Length8 amino acids

Chemical FormulaC48H93N15O9

DescriptionStandard

        RLKLLLRL
    

Molecular Weight1024.35 Da

Isoelectric Point (pI)12.00

Net Charge (pH 7.0)2.76

Net Charge (pH 7.4) 2.55

Charge Density (pH 7.0) 0.3449

GRAVY Index0.76

Hydrophobic Moment 0.51

Boman Index-0.16

Instability Index11.60

Aliphatic Index 243.75

Aromaticity 0.0000

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 416.84

LogP -0.32

H-bond Donors 16.0

H-bond Acceptors 12.0

Rotatable Bonds 37.0

Heavy Atoms 72.0

Ring Count 0.0

Amide Bonds 7.0

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_0264017 VERIFIED: YES

Provenance & Taxonomy

Organismsynthetic construct [Synthetic]

FamilyDefensin

Tax ID32630

Structure & Mods

Configsynthetic linear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Antimicrobial Antibacterial Anti-Gram-positive

TargetStaphylococcus aureus ATCC 25023

Activity128 μg/mL

MethodMIC

RECORD: Rec_0265520 VERIFIED: YES