Peptide Database

Peptide NameTurgencin B

Function Ontology

Annotation / Sequence feature ▸ Peptide structural family ▸ Cyclotide

Anticancer

Venom / Toxin ▸ General toxin ▸ Cytotoxic

Standard StatusStandard

Sequence Length33 amino acids

Chemical FormulaC137H172N40O11S8

DescriptionStandard

        GIKEMLCNMACAQTVCKKSGGPLCDTCQCKALG
    

Molecular Weight3406.12 Da

Isoelectric Point (pI)7.87

Net Charge (pH 7.0)1.63

Net Charge (pH 7.4) 1.14

Charge Density (pH 7.0) 0.0493

GRAVY Index0.18

Hydrophobic Moment 0.17

Boman Index0.07

Instability Index22.06

Aliphatic Index 65.15

Aromaticity 0.0000

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 375.00

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

Amino Acid Composition

TPSA 1108.25

LogP 1.68

H-bond Donors 23.0

H-bond Acceptors 54.0

Rotatable Bonds 61.0

Heavy Atoms 201.0

Ring Count 1.0

Amide Bonds 63.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0427998 VERIFIED: NO

Provenance & Taxonomy

OrganismSynoicum turgens [Animal]

Structure & Mods

Configdisulfide-constrained peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermNone

C-TermAmidation

DisulfideCys1-Cys6; Cys2-Cys5; Cys3-Cys4 (cysteine-ordinal connectivity; batch-sequence positions unresolved)

Bio-Activity Profile

Function

Antimicrobial Antibacterial Anti-Gram-positive Anti-Gram-negative Anticancer Cytotoxic