Peptide Database

Peptide NameAlpha-latrotoxin-associated protein 2

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Neurological / Signaling ▸ Neuromodulation

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length88 amino acids

Chemical FormulaC433H685N107O137S8

DescriptionStandard

        MLKLICIAFLVTVLTLVAGQDSLDPAEFGCADDVNQAELLKNNDICLQCEDLHKEGVVFSLCKTNCFTTEYFQHCVKDLEEAKKEPPE
    

Molecular Weight9838.23 Da

Isoelectric Point (pI)4.46

Net Charge (pH 7.0)-9.36

Net Charge (pH 7.4) -9.82

Charge Density (pH 7.0) -0.1064

GRAVY Index0.03

Hydrophobic Moment 0.58

Boman Index0.08

Instability Index29.71

Aliphatic Index 96.36

Aromaticity 0.0682

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 3911.51

LogP -33.79

H-bond Donors 134.0

H-bond Acceptors 138.0

Rotatable Bonds 331.0

Heavy Atoms 685.0

Ring Count 11.0

Amide Bonds 95.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0070134 VERIFIED: YES

Provenance & Taxonomy

OrganismLatrodectus tredecimguttatus [Animal]

FamilyAlpha-latrotoxin-associated protein

Tax ID6925

Structure & Mods

Configlinear peptide with reported disulfide constraint [Linear]

Chiralitynoncanonical stereochemical modification [Modified]

Disulfide30-66; 46-62; 49-75

Other Mods20:Pyrrolidone carboxylic acid

Bio-Activity Profile

Function

Hormone Endocrine Neuropeptide Neuromodulator

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