Peptide Database

Peptide NamePigment-dispersing factor

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Standard StatusStandard

Sequence Length18 amino acids

Chemical FormulaC85H146N22O28

DescriptionStandard

        NSEIINSLLGLPKLLNDA
    

Molecular Weight1924.20 Da

Isoelectric Point (pI)4.37

Net Charge (pH 7.0)-1.24

Net Charge (pH 7.4) -1.44

Charge Density (pH 7.0) -0.0687

GRAVY Index0.27

Hydrophobic Moment 0.48

Boman Index0.19

Instability Index36.83

Aliphatic Index 157.22

Aromaticity 0.0000

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 0.00

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

Amino Acid Composition

TPSA 819.58

LogP -7.80

H-bond Donors 26.0

H-bond Acceptors 27.0

Rotatable Bonds 65.0

Heavy Atoms 135.0

Ring Count 1.0

Amide Bonds 20.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0260967 VERIFIED: NO

Provenance & Taxonomy

OrganismRomalea microptera [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Hormone

RECORD: Rec_0415760 VERIFIED: YES

Provenance & Taxonomy

OrganismRomalea microptera [Animal]

FamilyPigment-dispersing hormone

Tax ID7007