Peptide Database

Peptide NameStyelin A

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Standard StatusStandard

Sequence Length17 amino acids

Chemical FormulaC96H145N27O23

DescriptionStandard

        FGKAFRSVSNFYKKHKT
    

Molecular Weight2045.35 Da

Isoelectric Point (pI)10.58

Net Charge (pH 7.0)4.84

Net Charge (pH 7.4) 4.58

Charge Density (pH 7.0) 0.2848

GRAVY Index-0.96

Hydrophobic Moment 0.77

Boman Index-0.24

Instability Index54.53

Aliphatic Index 22.94

Aromaticity 0.2353

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1490.00

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

Amino Acid Composition

TPSA 847.59

LogP -7.88

H-bond Donors 31.0

H-bond Acceptors 29.0

Rotatable Bonds 69.0

Heavy Atoms 146.0

Ring Count 5.0

Amide Bonds 17.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0277697 VERIFIED: YES

Provenance & Taxonomy

OrganismStyela clava [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Anti-Gram-negative

TargetEscherichia coli TOP10

MethodMex pooled growth assay (OD_ID at 4.5 h; Wald adjusted p-value)