Peptide Database

Peptide NameAlpha-latrotoxin associated low molecular weight protein SGV150-311 (Alpha-latrotoxin-associated LMWP SGV150-311) (Latrodectin)

Function Ontology

—

Standard StatusStandard

Sequence Length73 amino acids

Chemical FormulaC354H537N93O126S7

DescriptionStandard

        INPEDIGCDDSITPEKFAENDAKCVQCKEQFEETNMLEQCREDCFKGKFFRSCVDHLSGAYDEKDDVEAPPPE
    

Molecular Weight8336.05 Da

Isoelectric Point (pI)4.25

Net Charge (pH 7.0)-12.17

Net Charge (pH 7.4) -12.55

Charge Density (pH 7.0) -0.1668

GRAVY Index-0.95

Hydrophobic Moment 0.67

Boman Index-0.19

Instability Index43.72

Aliphatic Index 44.11

Aromaticity 0.0822

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1865.00

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

Amino Acid Composition

TPSA 3549.09

LogP -38.29

H-bond Donors 120.0

H-bond Acceptors 122.0

Rotatable Bonds 279.0

Heavy Atoms 580.0

Ring Count 12.0

Amide Bonds 78.0

3D PDB MODEL

Drag to rotate. Click a residue or atom to inspect it; the selected residue is highlighted in amber in the current view mode. Use the buttons to zoom.

2D CHEMICAL STRUCTURE

Drag to move

Drag to move. Use the buttons to zoom.

RECORD: Rec_0365837 VERIFIED: YES

Provenance & Taxonomy

OrganismSteatoda grossa [Animal]

FamilyAlpha-latrotoxin associated low molecular weight protein SGV150-311 (Alpha-latrotoxin-associated LMWP SGV150-311) (Latrodectin)

Tax ID256750

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

-

Half-LifeMammalian: 20 hour; Yeast: 30 min; E. coli: >10 hour