Peptide Database

Peptide NamePhoratoxin B

Function Ontology

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length46 amino acids

Chemical FormulaC202H328N64O65S6

DescriptionStandard

        KSCCPTTTARNIYNYCRFGGGSRPICAKLSGCKIISGTKCDSNGDH
    

Molecular Weight4885.55 Da

Isoelectric Point (pI)9.10

Net Charge (pH 7.0)4.78

Net Charge (pH 7.4) 4.43

Charge Density (pH 7.0) 0.1040

GRAVY Index-0.47

Hydrophobic Moment 0.66

Boman Index-0.11

Instability Index46.60

Aliphatic Index 46.74

Aromaticity 0.0652

Extinction Coeff. Reduced 2980.00

Extinction Coeff. Oxidized 3355.00

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

Amino Acid Composition

TPSA 2100.10

LogP -30.66

H-bond Donors 81.0

H-bond Acceptors 77.0

Rotatable Bonds 160.0

Heavy Atoms 337.0

Ring Count 6.0

Amide Bonds 48.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0022340 VERIFIED: NO

Provenance & Taxonomy

OrganismPhoradendron tomentosum,subsp. macrophyllum [Plant]

Structure & Mods

Configdisulfide-constrained cyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide3-40; 4-32; 16-26

Bio-Activity Profile

Function

Toxin

RECORD: Rec_0367980 VERIFIED: YES