Peptide Database

Peptide NameOncocin [R19H]

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial

Standard StatusStandard

Sequence Length19 amino acids

Chemical FormulaC109H171N35O25

DescriptionStandard

        VDKPPYLPRPRPPRRIYNH
    

Molecular Weight2371.74 Da

Isoelectric Point (pI)10.93

Net Charge (pH 7.0)3.82

Net Charge (pH 7.4) 3.55

Charge Density (pH 7.0) 0.2010

GRAVY Index-1.67

Hydrophobic Moment 0.50

Boman Index-0.47

Instability Index62.05

Aliphatic Index 56.32

Aromaticity 0.1053

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 957.53

LogP -6.70

H-bond Donors 32.0

H-bond Acceptors 30.0

Rotatable Bonds 66.0

Heavy Atoms 169.0

Ring Count 9.0

Amide Bonds 19.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0299609 VERIFIED: YES

Provenance & Taxonomy

Organismsynthetic construct [Synthetic]

Tax ID32630

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibacterial

TargetEscherichia coli BL21AI

Activity16 μg/mL

MethodMIC

RECORD: Rec_0359584 VERIFIED: YES

Provenance & Taxonomy

OrganismOncopeltus [Animal]

FamilyOncocin

Structure & Mods

Configlinear peptide [Linear]

Chiralitymixed L/D amino-acid peptide [Mixed]

N-TermNone

C-TermAmidation

Other ModsHar=Homoarginine

Bio-Activity Profile

Function

Antimicrobial Antibacterial

Activity8 μg/mL

MethodMIC

Half-Life25% mouse serum, in vivo; 5640 s

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