Peptide Database

Peptide NamePotassium channel toxin alpha-KTx 27.2

Function Ontology

Membrane / Ion-channel modulation ▸ Ion channel modulation

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length49 amino acids

Chemical FormulaC231H373N75O67S8

DescriptionStandard

        QIYINDTCAGGVHRCYEPCEKKKCRLPHKCINGRCTCYVGRNVCAISSH
    

Molecular Weight5529.42 Da

Isoelectric Point (pI)8.90

Net Charge (pH 7.0)4.94

Net Charge (pH 7.4) 4.46

Charge Density (pH 7.0) 0.1009

GRAVY Index-0.44

Hydrophobic Moment 0.63

Boman Index-0.14

Instability Index27.17

Aliphatic Index 61.63

Aromaticity 0.0612

Extinction Coeff. Reduced 4470.00

Extinction Coeff. Oxidized 4970.00

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

Amino Acid Composition

TPSA 2306.13

LogP -26.96

H-bond Donors 89.0

H-bond Acceptors 83.0

Rotatable Bonds 181.0

Heavy Atoms 381.0

Ring Count 8.0

Amide Bonds 52.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0049142 VERIFIED: NO

Provenance & Taxonomy

OrganismLychas mucronatus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Toxin Channel blocker