Peptide Database

Peptide NameToxin GrTx1

Function Ontology

Toxicity / Safety ▸ Cytotoxicity ▸ Cytotoxic

Venom / Toxin ▸ General toxin ▸ Toxic

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length29 amino acids

Chemical FormulaC159H249N45O41S8

DescriptionStandard

        YCQKWMWTCDSKRKCCEDMVCQLWCKKRL
    

Molecular Weight3703.48 Da

Isoelectric Point (pI)8.89

Net Charge (pH 7.0)3.70

Net Charge (pH 7.4) 3.40

Charge Density (pH 7.0) 0.1276

GRAVY Index-0.72

Hydrophobic Moment 0.47

Boman Index-0.28

Instability Index58.01

Aliphatic Index 36.90

Aromaticity 0.1379

Extinction Coeff. Reduced 17990.00

Extinction Coeff. Oxidized 18365.00

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

Amino Acid Composition

TPSA 1438.16

LogP -10.18

H-bond Donors 58.0

H-bond Acceptors 53.0

Rotatable Bonds 125.0

Heavy Atoms 253.0

Ring Count 7.0

Amide Bonds 30.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0107954 VERIFIED: NO

Provenance & Taxonomy

OrganismChilean rose tarantula,Grammostola spatulata [Animal]

Structure & Mods

Configdisulfide-constrained cyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide2-16; 9-21; 15-25

Bio-Activity Profile

Function

Toxin

RECORD: Rec_0321937 VERIFIED: NO

Provenance & Taxonomy

Organismnot reported [other]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermNone

C-TermNone

Bio-Activity Profile

Function

Toxic Cytotoxic