Peptide Database

Peptide NameCrystal structure of mutant Lys8Asp of scorpion alpha-like neurotoxin BmK M1 from Buthus martensii Karsch

Function Ontology

Toxin

Standard StatusStandard

Sequence Length66 amino acids

Chemical FormulaC318H347N93O31S8

DescriptionPDB structure; X-ray @1.5Å

        NSVRDAYIADPHNCVYECARNEYCNDLCTKNGAKSGYCQWVGKYGNGCWCIELPDNVPIRVPGKCH
    

Molecular Weight7413.29 Da

Isoelectric Point (pI)6.77

Net Charge (pH 7.0)-0.31

Net Charge (pH 7.4) -1.08

Charge Density (pH 7.0) -0.0048

GRAVY Index-0.58

Hydrophobic Moment 0.10

Boman Index-0.06

Instability Index28.56

Aliphatic Index 57.58

Aromaticity 0.1364

Extinction Coeff. Reduced 18450.00

Extinction Coeff. Oxidized 18950.00

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

Amino Acid Composition

TPSA 2582.59

LogP 4.61

H-bond Donors 56.0

H-bond Acceptors 107.0

Rotatable Bonds 123.0

Heavy Atoms 461.0

Ring Count 15.0

Amide Bonds 128.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0431279 VERIFIED: YES

Provenance & Taxonomy

OrganismMesobuthus martensii [other]

Tax ID34649

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermNone

C-TermNone

Bio-Activity Profile

Function

Toxin

MethodX-ray