Peptide Database

Peptide NameWWamide 4 or Allatostatin B4 I

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length9 amino acids

Chemical FormulaC58H87N17O11

DescriptionStandard

        KWNAKPRIW
    

Molecular Weight1198.42 Da

Isoelectric Point (pI)11.17

Net Charge (pH 7.0)2.76

Net Charge (pH 7.4) 2.55

Charge Density (pH 7.0) 0.3065

GRAVY Index-1.43

Hydrophobic Moment 0.26

Boman Index-0.29

Instability Index5.84

Aliphatic Index 54.44

Aromaticity 0.2222

Extinction Coeff. Reduced 11000.00

Extinction Coeff. Oxidized 11000.00

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

Amino Acid Composition

TPSA 475.94

LogP -1.31

H-bond Donors 17.0

H-bond Acceptors 14.0

Rotatable Bonds 36.0

Heavy Atoms 86.0

Ring Count 5.0

Amide Bonds 9.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0161937 VERIFIED: NO

Provenance & Taxonomy

OrganismHelobdella robusta [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide Hormone