Peptide Database

Peptide NameNeurotoxin PRTx27C3

Function Ontology

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length36 amino acids

Chemical FormulaC179H286N50O45S6

DescriptionStandard

        IACAPRGLLCFRDKECCKGLTCKGRFVNTWPTFCLV
    

Molecular Weight4050.88 Da

Isoelectric Point (pI)8.94

Net Charge (pH 7.0)3.70

Net Charge (pH 7.4) 3.40

Charge Density (pH 7.0) 0.1028

GRAVY Index0.33

Hydrophobic Moment 0.52

Boman Index0.06

Instability Index30.20

Aliphatic Index 75.83

Aromaticity 0.1111

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 1522.17

LogP -12.58

H-bond Donors 60.0

H-bond Acceptors 55.0

Rotatable Bonds 129.0

Heavy Atoms 280.0

Ring Count 7.0

Amide Bonds 36.0

3D PDB MODEL

Drag to rotate. Click a residue or atom to inspect it; the selected residue is highlighted in amber in the current view mode. Use the buttons to zoom.

2D CHEMICAL STRUCTURE

Drag to move

Drag to move. Use the buttons to zoom.

RECORD: Rec_0244889 VERIFIED: NO

Provenance & Taxonomy

OrganismPhoneutria nigriventer,Ctenus nigriventer [Animal]

Structure & Mods

Configdisulfide-constrained cyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide3-17; 10-22; 16-34

Bio-Activity Profile

Function

Toxin