Peptide Database

Peptide NameKalata-B1 precursor

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-positive

Antimicrobial ▸ Antifungal

Standard StatusStandard

Sequence Length29 amino acids

Chemical FormulaC117H187N35O40S6

DescriptionStandard

        VCGETCVGGTCNTPGCTCSWPVCTRNGLP
    

Molecular Weight2916.34 Da

Isoelectric Point (pI)5.94

Net Charge (pH 7.0)-0.32

Net Charge (pH 7.4) -0.62

Charge Density (pH 7.0) -0.0111

GRAVY Index0.15

Hydrophobic Moment 0.25

Boman Index0.15

Instability Index34.77

Aliphatic Index 43.45

Aromaticity 0.0345

Extinction Coeff. Reduced 5500.00

Extinction Coeff. Oxidized 5875.00

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

Amino Acid Composition

TPSA 1174.30

LogP -18.26

H-bond Donors 46.0

H-bond Acceptors 46.0

Rotatable Bonds 84.0

Heavy Atoms 198.0

Ring Count 5.0

Amide Bonds 30.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0364958 VERIFIED: YES

Provenance & Taxonomy

OrganismOldenlandia affinis [Plant]

FamilyCyclotide

Tax ID60225

Structure & Mods

Confighead-to-tail cyclic peptide scaffold [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

DisulfideCysteine-rich scaffold consistent with multiple disulfide bonds in the annotated family

Bio-Activity Profile

Function

Antimicrobial Antibacterial Antifungal Anti-Gram-positive

TargetStaphylococcus aureus

Activity0.26 μM

MethodMIC

RECORD: Rec_0386986 VERIFIED: YES

Provenance & Taxonomy

OrganismOldenlandia affinis [Plant]

FamilyCyclotide

Structure & Mods

Configcyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibacterial Antifungal Anti-Gram-positive Anti-Gram-negative

TargetC. kefyr

Activity21.4 μM

MethodMIC

RECORD: Rec_0402540 VERIFIED: YES

Provenance & Taxonomy

OrganismOldenlandia affinis [Plant]

FamilyCyclotide

Tax ID60225

Structure & Mods

Confighead-to-tail cyclic peptide scaffold [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

DisulfideCysteine-rich scaffold consistent with multiple disulfide bonds in the annotated family

Bio-Activity Profile

Function

Antimicrobial Antibacterial Antifungal

TargetM. luteus

Activity40.4 μM

MethodMIC

RECORD: Rec_0422008 VERIFIED: YES

Provenance & Taxonomy

OrganismOldenlandia affinis [Plant]

FamilyCyclotide

Tax ID60225

Structure & Mods

Confighead-to-tail cyclic peptide scaffold [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

DisulfideCysteine-rich scaffold consistent with multiple disulfide bonds in the annotated family

Bio-Activity Profile

Function

Antimicrobial Antibacterial Antifungal

TargetC. kefyr

Activity21.4 μM

MethodMIC

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