Peptide Database

Peptide NameWWamide 4 or Allatostatin B4 II

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length9 amino acids

Chemical FormulaC55H83N17O11

DescriptionStandard

        NWGKKARIW
    

Molecular Weight1158.35 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-1.30

Hydrophobic Moment 0.45

Boman Index-0.25

Instability Index-23.59

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 484.73

LogP -2.18

H-bond Donors 18.0

H-bond Acceptors 14.0

Rotatable Bonds 37.0

Heavy Atoms 83.0

Ring Count 4.0

Amide Bonds 9.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0147418 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