Peptide Database

Peptide NameStructure of alpha-Cobratoxin with a peptide inhibitor

Function Ontology

Toxin

Standard StatusStandard

Sequence Length8 amino acids

Chemical FormulaC56H50N10O5S2

DescriptionPDB structure; X-ray @1.9Å

        YMWDGWYM
    

Molecular Weight1151.31 Da

Isoelectric Point (pI)3.00

Net Charge (pH 7.0)-1.00

Net Charge (pH 7.4) -1.01

Charge Density (pH 7.0) -0.1254

GRAVY Index-0.56

Hydrophobic Moment 0.22

Boman Index0.38

Instability Index134.03

Aliphatic Index 0.00

Aromaticity 0.5000

Extinction Coeff. Reduced 13980.00

Extinction Coeff. Oxidized 13980.00

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

Amino Acid Composition

TPSA 323.62

LogP 6.07

H-bond Donors 8.0

H-bond Acceptors 14.0

Rotatable Bonds 19.0

Heavy Atoms 75.0

Ring Count 6.0

Amide Bonds 13.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0431267 VERIFIED: YES

Provenance & Taxonomy

OrganismEscherichia coli K-12 [other]

Tax ID83333

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermNone

C-TermNone

Bio-Activity Profile

Function

Toxin

MethodX-ray