Peptide Database

Peptide NameO-2 (Oncocin)

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Standard StatusStandard

Sequence Length18 amino acids

Chemical FormulaC103H164N32O24

DescriptionStandard

        VDKPPYLPRPRPPRRIYN
    

Molecular Weight2234.60 Da

Isoelectric Point (pI)10.93

Net Charge (pH 7.0)3.73

Net Charge (pH 7.4) 3.52

Charge Density (pH 7.0) 0.2073

GRAVY Index-1.59

Hydrophobic Moment 0.49

Boman Index-0.47

Instability Index64.94

Aliphatic Index 59.44

Aromaticity 0.1111

Extinction Coeff. Reduced 2980.00

Extinction Coeff. Oxidized 2980.00

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

Amino Acid Composition

TPSA 899.75

LogP -6.15

H-bond Donors 30.0

H-bond Acceptors 28.0

Rotatable Bonds 62.0

Heavy Atoms 159.0

Ring Count 8.0

Amide Bonds 18.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0370877 VERIFIED: YES

Provenance & Taxonomy

Organismsynthetic construct [Synthetic]

Tax ID32630

Structure & Mods

Configsynthetic linear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibacterial Anti-Gram-negative

TargetMicrococcus luteus ATCC 10240

Activity128 μg/mL

RECORD: Rec_0378150 VERIFIED: YES

Provenance & Taxonomy

OrganismOncopeltus [Animal]

FamilyOncocin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermNone

C-TermNone

Bio-Activity Profile

Function

Antimicrobial

Activity64 μg/mL

MethodMIC

Half-Life25% mouse serum, in vivo; 7200 s

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