Peptide Database

Peptide NameSiamycin I

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-positive

Antiviral

Antiviral ▸ Anti-HIV

Standard StatusStandard

Sequence Length21 amino acids

Chemical FormulaC96H135N23O27S4

DescriptionStandard

        CLGVGSCNDFAGCGYAVVCFW
    

Molecular Weight2171.50 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-1.28

Net Charge (pH 7.4) -1.54

Charge Density (pH 7.0) -0.0609

GRAVY Index1.14

Hydrophobic Moment 0.28

Boman Index0.49

Instability Index33.82

Aliphatic Index 69.52

Aromaticity 0.1905

Extinction Coeff. Reduced 6990.00

Extinction Coeff. Oxidized 7240.00

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

Amino Acid Composition

TPSA 781.96

LogP -7.11

H-bond Donors 31.0

H-bond Acceptors 30.0

Rotatable Bonds 63.0

Heavy Atoms 150.0

Ring Count 5.0

Amide Bonds 21.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0320580 VERIFIED: YES

Provenance & Taxonomy

OrganismStreptomyces strain AA6532 [Bacterium]

FamilyBacteriocin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibacterial Antiviral Anti-Gram-positive

TargetKlebsiella pneumoniae ATCC 10031

Activity100 μg/mL

MethodMIC

RECORD: Rec_0332142 VERIFIED: YES